CN107489481B - The lubricating system and engine of engine - Google Patents
The lubricating system and engine of engine Download PDFInfo
- Publication number
- CN107489481B CN107489481B CN201710436904.2A CN201710436904A CN107489481B CN 107489481 B CN107489481 B CN 107489481B CN 201710436904 A CN201710436904 A CN 201710436904A CN 107489481 B CN107489481 B CN 107489481B
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- Prior art keywords
- oil
- suction pipe
- access
- fuel feeding
- lubricating system
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 92
- 239000003921 oil Substances 0.000 claims abstract description 271
- 239000000446 fuel Substances 0.000 claims abstract description 101
- 239000010687 lubricating oil Substances 0.000 claims abstract description 50
- 238000005461 lubrication Methods 0.000 claims abstract description 17
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 6
- 230000008676 import Effects 0.000 claims description 69
- 239000007788 liquid Substances 0.000 claims description 31
- 230000007246 mechanism Effects 0.000 claims description 20
- 238000012360 testing method Methods 0.000 claims description 16
- 239000010721 machine oil Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 1
- 230000004044 response Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008450 motivation Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The present invention provides a kind of lubricating system of engine and engines.Wherein, the lubricating system of engine is used for use oily component lubrication, and lubricating system includes: main fuel feeding access, and oil filter: oil trap is equipped on main fuel feeding access, connect with main fuel feeding access, oil trap include main suction pipe and with the spaced secondary suction pipe of main suction pipe；Auxiliary feed-oil access, setting is between oily component and main fuel feeding access, and the junction of main fuel feeding access and auxiliary feed-oil access is located at the upstream of oil filter；Wherein, lubricating system has the first operating mode and the second operating mode, and in the first operating mode, lubricating oil is flow to through main suction pipe and main fuel feeding access with oily component；In the second operating mode, lubricating oil is flow to through secondary suction pipe and auxiliary feed-oil access with oily component.The present invention can solve the problem for causing the reliability of engine lower because the oil pressure response speed of lubricating system is slow etc. in the prior art.
Description
Technical field
The present invention relates to technical field of vehicle, in particular to the lubricating system and engine of a kind of engine.
Background technique
Along with the rapid development of vehicle technology, user increasingly payes attention to the reliability of vehicle.The reliability pair of engine
For vehicle be it is vital, the reliability of engine is heavily dependent on the reliability of engine lubrication.Start
Some key components and parts of machine, rigorous service condition need quickly to establish oil pressure in engine start, guarantee lubrication, ability
Guarantee the reliability of these components.
Lubricating oil in engine sump tank contains impurity, and with the lubrication gap very little of oily component, therefore, the prior art
In, lubricating system could supply after having to pass through the filtering such as oil filter from the lubricating oil drawn in oil sump and use oily component,
And it cannot directly feed with oily component.This causes the oil circuit of lubricating system long, and the flow resistance of lubricating oil is big, therefore reduces use
The oil pressure response speed of oily component.In engine start, dry friction can be generated due to a lack of lubrication with oily component, reduce hair
The reliability of the oily component of motivation.
Summary of the invention
The main purpose of the present invention is to provide a kind of lubricating system of engine and engines, to solve in the prior art
The problem for causing the reliability of engine lower because the oil pressure response speed of lubricating system is slow etc..
To achieve the goals above, according to an aspect of the invention, there is provided a kind of lubricating system of engine, is used for
For with oily component lubrication, lubricating system includes: main fuel feeding access, oil filter: oil collecting is equipped on main fuel feeding access
Device is connect with main fuel feeding access, oil trap include main suction pipe and with the spaced secondary suction pipe of main suction pipe；Auxiliary feed-oil is logical
Road, setting is between oily component and main fuel feeding access, and the junction of main fuel feeding access and auxiliary feed-oil access is located at machine
The upstream of oil rectifier；Wherein, lubricating system has the first operating mode and the second operating mode, in the first operating mode,
Lubricating oil is flow to through main suction pipe and main fuel feeding access with oily component；In the second operating mode, lubricating oil is through secondary suction pipe and auxiliary
Fuel feeding access is flow to oily component.
Further, oil trap further includes the switching mechanism being all connected with main suction pipe and secondary suction pipe, and switching mechanism is used
In switching over lubricating system between the first operating mode and the second operating mode, in the first operating mode, main suction pipe
Be connected to main fuel feeding access and main suction pipe and auxiliary feed-oil access disconnect, main fuel feeding access and auxiliary feed-oil access with secondary suction pipe
Disconnect, in the second operating mode, secondary suction pipe is connected to auxiliary feed-oil access, main fuel feeding access and auxiliary feed-oil access with master
Suction pipe disconnects.
Further, switching mechanism includes: shell, and shell has cavity, and shell is equipped with first be connected to cavity
Import, the second import, first outlet and second outlet, first outlet are correspondingly arranged with the first import, second outlet and second
Import is correspondingly arranged, and secondary suction pipe is connect with the first import, and main suction pipe is connect with the second import, first outlet and second outlet with
Main fuel feeding access connection；Closeouts are mounted slidably in the cavity, and closeouts have first position and the second position, are being sealed
When blocking piece is in first position, the first import is in the open state and closeouts block the second import, is in second in closeouts
When position, the second import is in the open state and closeouts block the first import.
Further, switching mechanism further includes the elastic element of setting in the cavity, and elastic element is for applying closeouts
Add active force that closeouts is made to block the second import.
Further, in the second operating mode, secondary suction pipe is connected to main fuel feeding access, and closeouts are matched with housing seal
It closes, cavity is divided into the first cavity and the second cavity being spaced by closeouts, and elastic element is arranged in the first cavity, the second chamber
It body and oil filter and is connected with the connecting line between oily component, the first import, the second import, first outlet and second go out
Mouth is connected to the first cavity.
Further, lubricating system further includes the first control valve for being arranged on auxiliary feed-oil access to control auxiliary feed-oil
The on-off of access, lubricating system further include the pressure sensor being arranged on main fuel feeding access, and pressure sensor is located at oil strainer
Clear device and between oily component, pressure sensor and the first control valve are connect with the controller for controlling engine, are controlled
Device controls the opening and closing of the first control valve according to the testing result of pressure sensor.
Further, lubricating system further include: oil sump, main suction pipe stretch in oil sump；Cleansing oil fuel feeding portion, with pair
Suction pipe connection with for oil component clean lubricating oil is provided.
Further, lubricating system further includes cleansing oil way to cycle oil and the second control being arranged on cleansing oil way to cycle oil
One end of valve processed, cleansing oil way to cycle oil is connected to cleansing oil fuel feeding portion, the other end and oil filtration of cleansing oil way to cycle oil
It device and is connected to the connecting line between oily component.
Further, the test section for detecting liquid level is equipped in cleansing oil fuel feeding portion, test section and the second control valve are equal
Connect with the controller for controlling engine, controller according to the testing result of test section control the second control valve unlatching and
It closes.
According to another aspect of the present invention, a kind of engine is provided, including is connect with oily component and with oily component
Lubricating system, lubricating system be lubricating system above-mentioned.
It applies the technical scheme of the present invention, in engine start, lubricating system initially enters the second operating mode, lubrication
Oil can be directly fed through secondary suction pipe and auxiliary feed-oil access uses oily component, needs not move through the oil filtration on main fuel feeding access
The components such as device, therefore the flow distance of lubricating oil is short, flow resistance is small, and the oil pressure response speed with oily component can be improved；Into
One step, in engine start, lubricating oil quickly can be provided with oily component, avoid being produced with oily component due to a lack of lubrication
Raw dry friction, to improve the reliability of engine.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
The schematic diagram that Fig. 1 shows the oil liquid flow direction of the embodiment of lubricating system according to the present invention (lubricates at this time
System is in the second operating mode, and the first control valve is in the open state, and the second control valve is in close state, and closeouts are in
First position)；
Fig. 2 shows the schematic diagram of the oil liquid flow direction of the lubricating system of Fig. 1, (lubricating system is in third work at this time
Mode, the first control valve and the second control valve are in closed state, and closeouts are in first position)；
Fig. 3 show the oil liquid flow direction of the lubricating system of Fig. 1 schematic diagram (at this time lubricating system be in the 4th work
Mode, the first control valve and the second control valve are in closed state, and closeouts be in first position and the second position it
Between)；
Fig. 4 show the oil liquid flow direction of the lubricating system of Fig. 1 schematic diagram (at this time lubricating system be in first work
Mode, the first control valve and the second control valve are in closed state, and closeouts are in the second position)；
Fig. 5 show the oil liquid flow direction of the lubricating system of Fig. 1 schematic diagram (at this time lubricating system be in first work
Mode, the first control valve are in close state, and the second control valve is in the open state, and closeouts are in the second position)；
The closeouts that Fig. 6 shows the oil trap of the lubricating system of Fig. 1 are in the structural schematic diagram of first position；
The structure when closeouts that Fig. 7 shows the oil trap of Fig. 6 are between first position and the second position is shown
It is intended to；And
The closeouts that Fig. 8 shows the oil trap of Fig. 6 are in the structural schematic diagram when second position.
Wherein, the above drawings include the following reference numerals:
10, main fuel feeding access；20, oil trap；21, main suction pipe；22, secondary suction pipe；23, switching mechanism；231, shell；
232, closeouts；233, elastic element；2311, cavity；2312, the first import；2313, the second import；2314, first outlet；
2315, circumferential side wall；2316, end wall；2317, second outlet；30, auxiliary feed-oil access；40, oil pump；50, oil filter；
60, with oily component；70, the first control valve；80, the second control valve；90, oil sump；100, cleansing oil fuel feeding portion；110, cleansing oil
Way to cycle oil；120, connecting line；130, oil cooler.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
The present invention provides a kind of lubricating system of engine and engines.
In the embodiment of the present invention, engine includes with oily component 60 and the lubricating system connecting with oily component 60.
In the embodiment of the present invention, lubricating system is used to be lubricated with oily component 60.
In of the invention and the embodiment of the present invention, in order to solve in the prior art because the oil pressure response speed of lubricating system is slow
Etc. the problem for causing the reliability of engine lower, the structure of lubricating system is improved, specifically described below:
As shown in Figures 1 to 5, in the embodiment of the present invention, the lubricating system of engine includes main fuel feeding access 10, machine oil
Collector 20 and auxiliary feed-oil access 30.Oil filter 50 is equipped on main fuel feeding access 10.Oil trap 20 and main confession
Oily access 10 connects, oil trap 20 include main suction pipe 21 and with the spaced secondary suction pipe 22 of main suction pipe 21.Auxiliary feed-oil
The setting of access 30 is between oily component 60 and main fuel feeding access 10, and the company of main fuel feeding access 10 and auxiliary feed-oil access 30
Connect the upstream that place is located at oil filter 50.Wherein, lubricating system has the first operating mode and the second operating mode, first
When operating mode, lubricating oil is flow to through main suction pipe 21 and main fuel feeding access 10 with oily component 60；In the second operating mode, lubrication
Oil is flow to through secondary suction pipe 22 and auxiliary feed-oil access 30 with oily component 60.
By above-mentioned setting, due to lubricating system include be arranged in main fuel feeding access 10 and engine with oily component 60 it
Between auxiliary feed-oil access 30, oil trap 20 include main suction pipe 21 and with the spaced secondary suction pipe 22 of main suction pipe 21, make
Obtaining lubricating system can switch between the first operating mode and the second operating mode.In the first operating mode, lubricating oil warp
Main suction pipe 21 and main fuel feeding access 10 are flow to oily component 60；In the second operating mode, lubricating oil is supplied through secondary suction pipe 22 and auxiliary
Oily access 30 is flow to oily component 60.
In this way, lubricating system initially enters the second operating mode in engine start.As shown in Figure 1, at lubricating system
When the second operating mode, lubricating oil can be directly fed through secondary suction pipe 22 and auxiliary feed-oil access 30 uses oily component 60, is not required to
Will be by components such as the oil filter 50 on main fuel feeding access 10, therefore the flow distance of lubricating oil is short, flow resistance is small, can
To improve the oil pressure response speed with oily component 60.Further, in engine start, lubricating system initially enters the second work
Operation mode quickly can provide lubricating oil with oily component 60, avoid generating dry friction due to a lack of lubricating oil with oily component 60,
To improve the reliability with oily component 60, and then improve the reliability of engine.
Specifically, as shown in Figure 1, secondary suction pipe 22 is connected to the cleansing oil fuel feeding portion 100 for providing clean lubricating oil, main suction
The oil sump 90 of the lubricating oil recycled in pipe 21 and storage engine is connected to, and is connected to oily component 60 with oil sump 90.Main fuel feeding
Flow direction on access 10 along lubricating oil is successively arranged oil pump 40, oil cooler 130 and oil filter 50.40, oil pump
Between oil trap 20 and oil cooler 130, auxiliary feed-oil access 30 is arranged between oily component 60 and oil pump 40.
It in above-mentioned setting, is connected to oily component 60 with oil sump 90, hair can be flowed back into the lubricating oil of oily component 60 by flowing into
In the oil sump 90 of motivation, in this way, the lubricating oil in main fuel feeding access 10 can be recycled.As shown in Figure 1, due to secondary suction pipe
Some can enter with oily component 60 22 lubricating oil drawn through main fuel feeding access 10, the oil liquid in main fuel feeding access 10
After pressure reaches preset value, lubricating system can switch to the first operating mode.As shown in figure 4, lubricating system is in the first work
When operation mode, by main suction pipe 21 from oil sump 90 suck lubrication oil, i.e., conventionally to oily 60 fuel feeding of component simultaneously
The recycling for realizing lubricating oil, avoids largely consuming clean lubricating oil in cleansing oil fuel feeding portion 100.
Certainly, in the unshowned alternate embodiment of attached drawing, lubricating system also may include two and be located at main fuel feeding access
The oil pump 40 of 10 upstreams, two oil pumps 40 are connect with main suction pipe 21 and secondary suction pipe 22 respectively.
As shown in Figures 1 to 5, in the embodiment of the present invention, oil trap 20 further includes and main suction pipe 21 and secondary suction pipe
22 switching mechanisms 23 being all connected with, switching mechanism 23 is for making lubricating system between the first operating mode and the second operating mode
It switches over.In the first operating mode, main suction pipe 21 is connected to main fuel feeding access 10 and main suction pipe 21 and auxiliary feed-oil access
30 disconnect, and main fuel feeding access 10 and auxiliary feed-oil access 30 are disconnected with secondary suction pipe 22；In the second operating mode, secondary suction pipe 22
It is connected to auxiliary feed-oil access 30, main fuel feeding access 10 and auxiliary feed-oil access 30 are disconnected with main suction pipe 21.
By above-mentioned setting, switching mechanism 23 can change the connected relation of main suction pipe 21 and secondary suction pipe 22 and oil pump 40,
Consequently facilitating the operating mode of switching lubricating system.
Specifically, as shown in Figure 6 to 8, in the embodiment of the present invention, switching mechanism 23 includes shell 231 and closeouts
232.Shell 231 has cavity 2311, and shell 231 is equipped with the first import 2312, the second import being connected to cavity 2311
2313, first outlet 2314 and second outlet 2317.First outlet 2314 is correspondingly arranged with the first import 2312, second outlet
2317 are correspondingly arranged with the second import 2313.Secondary suction pipe 22 is connect with the first import 2312, main suction pipe 21 and the second import 2313
Connection.First outlet 2314 and second outlet 2317 are connect with main fuel feeding access 10.
Closeouts 232 are mounted slidably in cavity 2311, and closeouts 232 have first position and the second position.In
When closeouts 232 are in first position, the first import 2312 is in the open state and closeouts 232 block the second import 2313；
When closeouts 232 are in the second position, the second import 2313 is in the open state and closeouts 232 block the first import
2312。
In above-mentioned setting, the first import 2312 and second can be realized relative to the sliding of shell 231 by closeouts 232
The switching of 2313 open and-shut mode of import, to change the connected relation of main suction pipe 21 and secondary suction pipe 22 and oil pump 40.
Specifically, when closeouts 232 slide into first position in cavity 2311, closeouts 232 block the second import
2313, and open the first import 2312, so that lubricating oil from the first import 2312 is entered cavity 2311 and from first outlet
2314 enter oil pump 40, are connected to secondary suction pipe 22 with oil pump 40, and main suction pipe 21 and oil pump 40 disconnect.Closeouts 232 are in cavity
When sliding into the second position in 2311, closeouts 232 block the first import 2312, and open the second import 2313, make to lubricate
Oil can enter cavity 2311 from the second import 2313 and enter oil pump 40 from second outlet 2317, make main suction pipe 21 and oil pump 40
Connection, and secondary suction pipe 22 is disconnected with oil pump 40.
Specifically, as shown in Figure 6 to 8, switching mechanism 23 further includes a U-tube section, the both ends of U-tube section respectively with
First outlet 2314 and second outlet 2317 connect, and U-tube section is connected to oil pump 40.Outflow first outlet 2314 and second goes out
The lubricating oil of mouth 2317 is transported in oil pump 40 by U-tube section.
Optionally, in the unshowned alternate embodiment of attached drawing, switching mechanism 23 can also be two switch valves, and two are opened
Valve is closed to be separately positioned on main suction pipe 21 and secondary suction pipe 22.
Optionally, in the unshowned alternate embodiment of attached drawing, switching mechanism 23 can also be a triple valve, main suction pipe
21, secondary suction pipe 22 and oil pump 40 are connect with three valve ports of triple valve respectively.It is connected between different valve ports by making triple valve
The on-off between main suction pipe 21 and oil pump 40 and the on-off between secondary suction pipe 22 and oil pump 40 can be realized, to make lube system
System is in different operating modes.
As shown in Figure 6 to 8, in the embodiment of the present invention, switching mechanism 23 further includes the bullet being arranged in cavity 2311
Property element 233.Elastic element 233, which is used to apply active force to closeouts 232, makes closeouts 232 block the second import 2313.
By above-mentioned setting, when engine is inactive, i.e., switching mechanism 23 is in original state, as shown in fig. 6, elastic
The active force that element 233 applies can make closeouts 232 be maintained at the first position for blocking the second import 2313.In this way, sending out
When motivation just starts, secondary suction pipe 22 is connected to oil pump 40, i.e., engine start when, lubricating system is in the second operating mode, can
Directly clean lubricating oil to be quickly conveyed to oily component 60, the oil pressure response speed of the oily component 60 of raising.
Further, from first position to when the movement of the second position, elastic element 233 compresses closeouts 232.When making to block
When part 232 is cancelled to the mobile external force in the second position, the elastic-restoring force of elastic element 233 can make closeouts 232 automatically multiple
Position is to first position, and when ensuring each engine start, lubricating system is in the second operating mode.
Preferably, as shown in Figure 6 to 8, in the embodiment of the present invention, shell 231 include circumferential side wall 2315 and with week
The end wall 2316 connected to one end of side wall 2315.Circumferential side wall 2315 and end wall 2316 surround cavity 2311, the first import
2312, the second import 2313, first outlet 2314 and second outlet 2317 are arranged in circumferential side wall 2315, and the second import
2313 are located at the side of the separate end wall 2316 of the first import 2312.Elastic element 233 be located at end wall 2316 and closeouts 232 it
Between.
Above-mentioned setting elastic element 233 is between end wall 2316 and closeouts 232, and the second import 2313 is located at first
The side of the separate end wall 2316 of import 2312 makes it block the second import the application of closeouts 232 convenient for elastic element 233
2313 active force, and structure is simple, compact.
Optionally, one end of elastic element 233 is connect with end wall 2316, the other end and closeouts 232 of elastic element 233
Connection.
In this way, the slide displacement under the action of elastic-restoring force of elastic element 233 of closeouts 232 can be prevented excessive,
The movement of closeouts 232 is relatively reliable.
As shown in Figure 6 to 8, in the embodiment of the present invention, secondary suction pipe 22 is connected to main fuel feeding access 10.Closeouts 232
It seals and cooperates with shell 231, i.e., the outer wall of closeouts 232 is adapted with circumferential side wall 2315.Closeouts 232 divide cavity 2311
At the first cavity and the second cavity being spaced.Elastic element 233 is arranged in the first cavity, the second cavity and oil filter
It 50 and is connected with the connecting line 120 between oily component 60.First import 2312, the second import 2313,2314 and of first outlet
Second outlet 2317 is connected to the first cavity.
In this way, lubricating oil a part enters auxiliary feed-oil access 30, another portion by secondary suction pipe 22 in the second operating mode
Divide and main fuel feeding access 10 is entered by secondary suction pipe 22.In this way, the oil liquid in connecting line 120 can enter the second cavity, make to connect
Oil liquid pressure in pipeline 120 acts on one end with the separate elastic element 233 of closeouts 232, will be in main fuel feeding access 10
Oil liquid pressure feed back to switching mechanism 23.With secondary suction pipe 22 draw a part of lubricating oil through main fuel feeding access 10 constantly into
Enter to use oily component 60, the oil liquid pressure in connecting line 120 constantly increases, and closeouts 232 are by the intracorporal oil liquid pressure of the second chamber
Power, which acts on, can overcome the active force of elastic element 233 so that closeouts 232 are mobile from first position to the second position, i.e., from
Right side in Fig. 6 is moved to the left, is gradually reduced the aperture of the first import 2312.In this way, closeouts 232 can be according to connection
Oil liquid pressure automatic position adjusting function in pipeline 120, switching mechanism 23 can be according to the oil feed lines with oily 60 place side of component
In oil liquid pressure automatically switch the positions of closeouts 232 and simplify structure without additional setting control device.
When closeouts 232 are in position shown in Fig. 7,2313 horse back of the second import will enter opening state, break at this time
Auxiliary feed-oil access 30 is opened, due to having been built up oil liquid pressure in main fuel feeding access 10, passes through 10 pairs of main fuel feeding access oil
60 fuel feeding of component realizes the normal work with oily component 60, in this way can be logical to avoid the lubricating oil containing impurity in oil sump 90
It crosses the second import 2313 and auxiliary feed-oil access 30 is directly entered with oily component 60, the reliability of the oily component 60 of reduction.At this point,
Lubricating system is in third operating mode.When lubricating system is in third operating mode, the flow direction of oil liquid such as Fig. 2 institute
Show.
Continue to increase with 120 inner fluid pressure of connecting line, closeouts 232 continue under oil liquid pressure effect to figure
Left side in 6 is mobile, and the second import 2313 enters opening state, and aperture is gradually increased, and the aperture of the first import 2312 by
It is decrescence small.At this point, main suction pipe 21 and secondary suction pipe 22 be simultaneously to main 10 fuel feeding of fuel feeding access, at this point, lubricating system is in the 4th work
Operation mode.When lubricating system is in four operating modes, the flow direction of oil liquid is as shown in Figure 3.
As the oil liquid pressure in connecting line 120 further increases, closeouts 232 is pushed to continue the left side into Fig. 6
Mobile, until closeouts 232 block the first import 2312 completely, the second import 2313 is fully opened, and closeouts 232 are switched to the
Two positions.The position of closeouts 232 at this time is as shown in figure 8, lubricating system switches to the first operating mode.Lubricating system is in
When the first operating mode, the flow direction of oil liquid as shown in figure 4, lubricant passage way at this time is identical as oil circuit in the prior art,
Lubricating oil i.e. in oil sump 90 is through main suction pipe 21, oil pump 40, oil cooler 130, oil filter 50, connecting line 120
Into with oily component 60, and the oil sump 90 of engine is flowed back into, to realize the recycling of lubricating oil.
Preferably, as shown in figure 8, closeouts 232 are equipped with annular groove.When closeouts 232 are in the second position, ring
Connected in star is connected to the second import 2313 with second outlet 2317.
In the embodiment of the present invention, connecting line 120 is the main oil gallery being arranged on engine cylinder body.
As shown in Figures 1 to 5, in the embodiment of the present invention, lubricating system further includes being arranged on auxiliary feed-oil access 30
The first control valve 70 to control the on-off of auxiliary feed-oil access 30.
By above-mentioned setting, in engine start, the first control valve 70 controls auxiliary feed-oil access 30 and uses oily component
60 connections, make lubricating system be in the second operating mode, the oil liquid after engine runs the predetermined time or in lubricating system
When pressure reaches preset value, is disconnected using the first control valve 70 control auxiliary feed-oil access 30 and with oily component 60, make lube system
System is in the first operating mode.
Specifically, as shown in Figure 1, when engine just starts, the first control valve 70 is in the open state, and closeouts
232 are in first position, and oil pump 40 is directly connected to with oily component 60 by auxiliary feed-oil access 30, and clean lubricating oil passes through
Secondary suction pipe 22, oil pump 40 and auxiliary feed-oil access 30, which are directly entered, uses oily component 60, and oil circuit resistance is small, and oil pressure corresponding speed is fast,
It avoids generating dry friction due to a lack of lubrication on startup with oily component 60, improves the reliability with oily component 60.
Further, when engine runs the oil liquid pressure in predetermined time or lubricating system and reaches preset value, control
The closing of the first control valve 70 is made, auxiliary feed-oil access 30 is disconnected with oily component 60, and closeouts 232 switch to the second position,
Lubricating oil in oil sump 90 enters through main fuel feeding access 10 with oily component 60.
Preferably, in the embodiment of the present invention, lubricating system further includes the pressure sensing being arranged on main fuel feeding access 10
Device, pressure sensor are located at oil filter 50 and between oily components 60, pressure sensor and the first control valve 70 with use
In the controller connection of control engine, controller controls the unlatching of the first control valve 70 according to the testing result of pressure sensor
And closing.
In this way, pressure sensor can detecte the oil liquid pressure with the oil feed line of 60 place side of oily component and feed back to control
Device processed, controller can control the opening and closing of the first control valve 70 according to the testing result of pressure sensor.
Specifically, it in the embodiment of the present invention, after controlling the first control valve 70 and opening, detects oil filter 50 and uses
Oil liquid pressure between oily component 60.When pressure reaches preset pressure, controller controls the first control valve 70 and closes.First
It after control valve 70 is closed, controls closeouts and from first position switches to the second position, to pass through the oily component 60 of 21 pairs of main suction pipe
Fuel feeding.
Preferably, when oil filter 50 and when with the oil liquid pressure between oily component 60 reaching preset pressure, closeouts
232 are in position shown in Fig. 7, i.e., closeouts 232 are in the position for being not yet turned on the second import 2313, or will open second
The critical localisation of import 2313 controls the closing of the first control valve 70 at this time, and oil pump 40 is by main fuel feeding access 10 and uses oily component
60 connections, lubricating oil is flow to through secondary suction pipe 22 and main fuel feeding access 10 uses oily component 60, and lubricating system is in third operating mode.
Optionally, the controller for controlling engine is electronic control unit (the Eleectronic Control of vehicle
Unit, ECU).
As shown in Figures 1 to 5, in the embodiment of the present invention, lubricating system further includes oil sump 90 and cleansing oil fuel feeding portion
100.Main suction pipe 21 stretches in oil sump 90, and cleansing oil fuel feeding portion 100 be connected to be provided with oil component 60 with secondary suction pipe 22
Clean lubricating oil.
In above-mentioned setting, main suction pipe 21 stretches in oil sump 90 lubricating oil that can be drawn from being flowed back with oily component 60,
It can be to provide clean lubricating oil with oily component 60 that cleansing oil fuel feeding portion 100 is connected to secondary suction pipe 22.
Specifically, the bottom of the crankcase of engine is equipped with partition, and the bottom of crankcase is separated into two mutually not by partition
The accommodating chamber of connection, one of accommodating chamber form oil sump 90, another accommodating chamber forms cleansing oil fuel feeding portion 100.Pair is inhaled
Pipe 22 protrudes into cleansing oil fuel feeding portion 100.
As shown in Figures 1 to 5, in the embodiment of the present invention, lubricating system further includes cleansing oil way to cycle oil 110 and setting
The second control valve 80 on cleansing oil way to cycle oil 110.One end and cleansing oil fuel feeding portion 100 of cleansing oil way to cycle oil 110
Connection, the other end and oil filter 50 of cleansing oil way to cycle oil 110 and with the company of connecting line 120 between oily component 60
It is logical.
By above-mentioned setting, the second control valve 80 can control the opening and closing of cleansing oil way to cycle oil 110.When second
When control valve 80 is opened, the part cleaning machine oil filtered by oil filter 50 can return to cleansing oil fuel feeding portion 100, recycle
It utilizes.
Specifically, before controlling the first control valve 70 and opening or while the first control valve 70 of control is opened, control the
Two control valves 80 are closed, and directly return to cleansing oil fuel feeding portion 100 to avoid the machine oil for entering main fuel feeding access 10 from secondary suction pipe 22,
Reduce the oil pressure response speed with oily component 60.
Further, when engine runs the oil liquid pressure in predetermined time or lubricating system and reaches preset value, control
Closeouts 232 processed switch to the second position from first position, and the second control valve 80 of control is opened.At this point, the oil in lubricating system
Liquid flow direction is as shown in figure 5, the lubricating oil one for entering main fuel feeding access 10 from oil sump 90 and filtering through oil filter 50
Part supply returns to cleansing oil fuel feeding portion 100 with oily component 60, another part, to realize the circulation benefit of clean lubricating oil
With without periodically to 100 make-up oil of cleansing oil fuel feeding portion.
In the embodiment of the present invention, when the second control valve 80 of control is opened, closeouts 232 are in position shown in Fig. 8, i.e.,
First import 2312 completely closes, and the second import 2313 fully opens.Cleansing oil fuel feeding is back to from cleansing oil way to cycle oil 110
The lubricating oil in portion 100 is entirely, at this point, only having lubricating oil to flow into cleansing oil fuel feeding portion 100, not had by drawing in oil sump 90
There is outflow of lubrication oil, the oil return efficiency of clean lubricating oil can be improved.
Preferably, the test section for detecting liquid level is equipped in the embodiment of the present invention, in cleansing oil fuel feeding portion 100.Inspection
Survey portion and the second control valve 80 are connect with the controller for controlling engine, and controller is according to the testing result control of test section
Make the opening and closing of the second control valve 80.
In this way, controller can control the second control when the Height of oil in cleansing oil fuel feeding portion 100 reaches preset height
Valve 80 is closed, and is overflowed from cleansing oil fuel feeding portion 100 to avoid lubricating oil.
Specifically, after controlling the second control valve 80 and opening, controller is controlled in test section detection cleansing oil fuel feeding portion 100
Liquid level.When liquid level reaches preset height, the second control valve 80 of control is closed.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements: in engine
When starting, lubricating system initially enters the second operating mode, and lubricating oil can be directly fed through secondary suction pipe and auxiliary feed-oil access
With oily component, the components such as the oil filter on main fuel feeding access are needed not move through, therefore the flow distance of lubricating oil is short, flowed
Resistance is small, and the oil pressure response speed with oily component can be improved；Further, in engine start, oil quickly can be used
Component provides lubricating oil, avoids generating dry friction due to a lack of lubrication with oily component, to improve the reliability of engine.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of lubricating system of engine, for being to be lubricated with oily component (60), which is characterized in that the lubricating system packet
It includes:
Main fuel feeding access (10) is equipped with oil filter (50) on the main fuel feeding access (10)；
Oil trap (20) is connect with the main fuel feeding access (10), and the oil trap (20) includes main suction pipe (21)
With with the spaced secondary suction pipe (22) of the main suction pipe (21)；
Auxiliary feed-oil access (30), setting are used between oily component (60) and the main fuel feeding access (10) described, and described
The junction of main fuel feeding access (10) and the auxiliary feed-oil access (30) is located at the upstream of the oil filter (50)；
Wherein, the lubricating system has the first operating mode and the second operating mode, in first operating mode, lubrication
Oil flow to described with oily component (60) through the main suction pipe (21) and the main fuel feeding access (10)；In second operating mode
When, lubricating oil flow to described with oily component (60) through the secondary suction pipe (22) and the auxiliary feed-oil access (30)；
The oil trap (20) further includes the switching mechanism being all connected with the main suction pipe (21) and the secondary suction pipe (22)
(23), the switching mechanism (23) for make the lubricating system first operating mode and second operating mode it
Between switch over, in first operating mode, the main suction pipe (21) is connected to and described with the main fuel feeding access (10)
Main suction pipe (21) and the auxiliary feed-oil access (30) disconnect, the main fuel feeding access (10) and the auxiliary feed-oil access (30)
Disconnected with the secondary suction pipe (22), in second operating mode, the pair suction pipe (22) and the auxiliary feed-oil access
(30) it is connected to, the main fuel feeding access (10) and the auxiliary feed-oil access (30) are disconnected with the main suction pipe (21).
2. lubricating system according to claim 1, which is characterized in that the switching mechanism (23) includes:
Shell (231), the shell (231) have cavity (2311), and the shell (231) is equipped with and the cavity (2311)
The first import (2312), the second import (2313), first outlet (2314) and the second outlet (2317) being connected to, described
One outlet (2314) is correspondingly arranged with first import (2312), the second outlet (2317) and second import
(2313) it is correspondingly arranged, the pair suction pipe (22) connect with first import (2312), the main suction pipe (21) and described the
Two imports (2313) connection, the first outlet (2314) and the second outlet (2317) with the main fuel feeding access (10)
Connection；
Closeouts (232) are mounted slidably in the cavity (2311), the closeouts (232) have first position and
The second position, when the closeouts (232) are in the first position, first import (2312) it is in the open state and
The closeouts (232) block second import (2313), when the closeouts (232) are in the second position, institute
State that the second import (2313) is in the open state and the closeouts (232) block first import (2312).
3. lubricating system according to claim 2, which is characterized in that the switching mechanism (23) further includes being arranged described
Elastic element (233) in cavity (2311), the elastic element (233) are used to apply active force to the closeouts (232)
The closeouts (232) are made to block second import (2313).
4. lubricating system according to claim 3, which is characterized in that in second operating mode, the pair suction pipe
(22) it is connected to the main fuel feeding access (10), the closeouts (232) and the shell (231) sealing cooperate, the closure
The cavity (2311) is divided into the first cavity and the second cavity being spaced by part (232), and elastic element (233) setting exists
Connecting tube in first cavity, between second cavity and the oil filter (50) and the oily component (60) of the use
Road (120) connection, first import (2312), second import (2313), the first outlet (2314) and described the
Two outlets (2317) are connected to first cavity.
5. lubricating system according to any one of claim 1 to 4, which is characterized in that the lubricating system further includes setting
The first control valve (70) on the auxiliary feed-oil access (30) is set to control the on-off of the auxiliary feed-oil access (30), institute
Stating lubricating system further includes the pressure sensor being arranged on main fuel feeding access (10), and the pressure sensor is located at the machine oil
Between filter (50) and the oily component (60) of the use, the pressure sensor and first control valve (70) are and for controlling
The controller of engine processed connects, and the controller controls first control valve according to the testing result of the pressure sensor
(70) opening and closing.
6. lubricating system according to any one of claim 1 to 4, which is characterized in that the lubricating system further include:
Oil sump (90), the main suction pipe (21) stretch in the oil sump (90)；
Cleansing oil fuel feeding portion (100) is connected to the secondary suction pipe (22) and thinks the clean lubrication of oily component (60) offer
Oil.
7. lubricating system according to claim 6, which is characterized in that the lubricating system further includes cleansing oil way to cycle oil
(110) and the second control valve (80) on the cleansing oil way to cycle oil (110), the cleansing oil way to cycle oil be set
(110) one end is connected to cleansing oil fuel feeding portion (100), the other end of the cleansing oil way to cycle oil (110) with it is described
Oil filter (50) and connecting line (120) connection between oily component (60).
8. lubricating system according to claim 7, which is characterized in that be equipped with and be used in cleansing oil fuel feeding portion (100)
The test section of liquid level is detected, the test section and second control valve (80) connect with the controller for controlling engine
It connects, the controller controls the opening and closing of second control valve (80) according to the testing result of the test section.
9. a kind of lubricating system of engine, for being to be lubricated with oily component (60), which is characterized in that the lubricating system packet
It includes:
Main fuel feeding access (10) is equipped with oil filter (50) on the main fuel feeding access (10)；
Oil trap (20) is connect with the main fuel feeding access (10), and the oil trap (20) includes main suction pipe (21)
With with the spaced secondary suction pipe (22) of the main suction pipe (21)；
Auxiliary feed-oil access (30), setting are used between oily component (60) and the main fuel feeding access (10) described, and described
The junction of main fuel feeding access (10) and the auxiliary feed-oil access (30) is located at the upstream of the oil filter (50)；
Wherein, the lubricating system has the first operating mode and the second operating mode, in first operating mode, lubrication
Oil flow to described with oily component (60) through the main suction pipe (21) and the main fuel feeding access (10)；In second operating mode
When, lubricating oil flow to described with oily component (60) through the secondary suction pipe (22) and the auxiliary feed-oil access (30)；
The lubricating system further include:
Oil sump (90), the main suction pipe (21) stretch in the oil sump (90)；
Cleansing oil fuel feeding portion (100) is connected to the secondary suction pipe (22) and thinks the clean lubrication of oily component (60) offer
Oil；
Cleansing oil way to cycle oil (110) and the second control valve (80) being arranged on the cleansing oil way to cycle oil (110), institute
The one end for stating cleansing oil way to cycle oil (110) is connected to cleansing oil fuel feeding portion (100), the cleansing oil way to cycle oil
(110) the other end is connected to the oil filter (50) and the connecting line (120) between oily component (60).
10. a kind of engine, including with oily component (60) and with the lubricating system being connect with oily component (60), feature exists
In the lubricating system lubricating system as claimed in any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710436904.2A CN107489481B (en) | 2017-06-09 | 2017-06-09 | The lubricating system and engine of engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710436904.2A CN107489481B (en) | 2017-06-09 | 2017-06-09 | The lubricating system and engine of engine |
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| CN107489481B true CN107489481B (en) | 2019-11-22 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010077880A (en) * | 2008-09-25 | 2010-04-08 | Toyota Motor Corp | Lubricating system for internal combustion engine |
| JP2013155634A (en) * | 2012-01-27 | 2013-08-15 | Toyota Motor Corp | Lubricating oil supply device of internal combustion engine |
| JP2015094296A (en) * | 2013-11-12 | 2015-05-18 | アイシン精機株式会社 | Oil pump device and relief valve |
| CN205025524U (en) * | 2015-09-30 | 2016-02-10 | 北汽福田汽车股份有限公司 | Engine lubrication system , engine and vehicle |
-
2017
- 2017-06-09 CN CN201710436904.2A patent/CN107489481B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010077880A (en) * | 2008-09-25 | 2010-04-08 | Toyota Motor Corp | Lubricating system for internal combustion engine |
| JP2013155634A (en) * | 2012-01-27 | 2013-08-15 | Toyota Motor Corp | Lubricating oil supply device of internal combustion engine |
| JP2015094296A (en) * | 2013-11-12 | 2015-05-18 | アイシン精機株式会社 | Oil pump device and relief valve |
| CN205025524U (en) * | 2015-09-30 | 2016-02-10 | 北汽福田汽车股份有限公司 | Engine lubrication system , engine and vehicle |
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| CN107489481A (en) | 2017-12-19 |
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