CN105952560A - Internal combustion engine - Google Patents
Internal combustion engine Download PDFInfo
- Publication number
- CN105952560A CN105952560A CN201610424821.7A CN201610424821A CN105952560A CN 105952560 A CN105952560 A CN 105952560A CN 201610424821 A CN201610424821 A CN 201610424821A CN 105952560 A CN105952560 A CN 105952560A
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- China
- Prior art keywords
- oil
- valve
- combustion engine
- internal combustion
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 58
- 239000003921 oil Substances 0.000 claims description 113
- 230000000694 effects Effects 0.000 claims description 11
- 239000010721 machine oil Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 8
- 239000010687 lubricating oil Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 239000002826 coolant Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 11
- 230000001681 protective effect Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 239000010705 motor oil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
- F02M59/46—Valves
- F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The invention discloses an internal combustion engine. The internal combustion engine comprises an internal combustion engine housing, a main oil passage, an internal combustion engine cylinder barrel arranged in the internal combustion engine housing and a nozzle oil passage, wherein nozzles for spraying coolant oil toward the internal combustion engine cylinder barrel are arranged on the nozzle oil passage; an electromagnetic control valve device is further arranged on the main oil passage; the electromagnetic control valve device comprises an electromagnetic control valve and an electronic control unit for controlling the electromagnetic control valve to open and close; an electromagnetic valve oil supply channel, a piston valve slidably arranged in the electromagnetic valve oil supply channel and an electromagnetic control assembly connected to the piston valve for controlling the piston valve to move are arranged in the electromagnetic control valve. The internal combustion engine disclosed by the invention is sensitive to control, and can play a role of protecting the oil path when the electronic control unit fails, so that the durability of the internal combustion engine and the function of hydraulic elements are guaranteed.
Description
Technical field
The present invention relates to vehicle power and systems technology field is provided, particularly relate to a kind of internal combustion engine.
Background technology
When the internal combustion engine (electromotor) of general motor vehicles works, fuel and air mixture is cyclically joined burning
Room is also ignited, thus produces the waste gas of thermal expansion, makes reciprocating motion of the pistons.Internal combustion engine each friction of motion by-product is raw the most relatively
Moving and produce friction, lubricating system meets internal combustion engine lubrication requirement by the machine oil of supply convenient pressure.Additionally, machine oil is in profit
In sliding system, circulation will be burnt and fricative heat absorption, play cooling effect.
Lubricating system of IC engine generally comprises piston cooling nozzle, and for by the downside of oil spurts to piston, machine oil is permissible
It is used for absorbing the heat of piston and the cylinder of the interior combustion gas of lubrication.
General disconnection and the closedown carrying out oil circuit control by arranging control valve on main oil pipe in prior art, but existing
There is structure complexity, control insensitive problem in the control valve in technology.
In some applicable cases, it is additionally provided with the special oil duct leading to piston cooling nozzle, and by electromagnetic valve management oil
The break-make in road.
But electromagnetic valve once lost efficacy, piston cooling nozzle can be caused normally opened, so that interior combustion gas low speed oil pressure is too low,
The function causing internal combustion engine durability and Hydraulic Elements eventually cannot ensure.
Summary of the invention
It is an object of the invention to overcome defect of the prior art, it is provided that a kind of internal combustion engine, its control is sensitive, at electronics
When control unit lost efficacy, it is also possible to oil circuit is carried out on-off control, is favorably improved performance and the durability of internal combustion engine.
Technical solution of the present invention provides a kind of internal combustion engine, including internal combustion engine housing, main oil gallery, is arranged on described internal combustion casing
Internal internal combustion engine cylinder barrel and the nozzle oil duct connected with described main oil gallery, be provided with for described on described nozzle oil duct
The nozzle of spray cooling oil in internal combustion engine cylinder barrel；Described main oil gallery is additionally provided with Electromagnetic Control valve gear, described Electromagnetic Control
Valve gear includes solenoid electric valve and for controlling the electronic control unit that described solenoid electric valve opens and closes；Described electromagnetism
Electromagnetic valve oil supply gallery, the piston valve being slideably arranged in described electromagnetic valve oil supply gallery and with described it is provided with in control valve
Piston valve connects, and for controlling the electromagnetic control assembly that described piston valve moves；Described electromagnetic valve oil supply gallery has passage
Oil-in and passage oil-out；When described electronic control unit is opened, described electromagnetic control assembly drives described piston valve to move
Dynamic, described piston valve intercepts between described passage oil-in and described passage oil-out；Close at described electronic control unit
Time, described electromagnetic control assembly drives described piston valve to reset, and described piston valve goes out with described passage from described passage oil-in
Remove between hydraulic fluid port.
Further, between described electromagnetic control assembly and described piston valve, it is provided with the first elastic component, described first
The pretightning force of elastic component is P1；When described electronic control unit failure, when described electromagnetic control assembly stops described piston
The effect of valve；When described electronic control unit failure, described piston valve receives the pressure of the oil from described passage oil-in
Power P≤P1Time, described piston valve intercepts between described passage oil-in and described passage oil-out；At described Electronic Control list
When unit lost efficacy, when described piston valve receives the pressure P ＞ P of the oil from described passage oil-in1Time, described piston valve is from institute
State and remove between passage oil-in and described passage oil-out.
Further, described first elastic component is spring.
Further, described electromagnetic control assembly includes coil and Magnet, and described Magnet contacts with described piston valve, described
First elastic component is arranged between described Magnet and described piston valve.
Further, between described nozzle and described nozzle oil duct, it is additionally provided with mechanically controlled valve；Described Mechanical course
There is in valve accommodating cavity and the ball valve being movably arranged in described containing cavity body；Described accommodating cavity has cavity oil-in
With cavity oil-out, described cavity oil-in is connected with described nozzle oil duct, and described cavity oil-out is connected with described nozzle；Place
In the described ball valve sealing of original state on described cavity oil-in；It is additionally provided with for driving in described containing cavity body
Stating the ball valve sealing the second elastic component on described cavity oil-in, the pretightning force of described second elastic component is P2；At described ball
Valve receives the pressure P≤P of the oil from described cavity oil-in2Time, described ball valve sealing is on described cavity oil-in；?
Described ball valve receives the pressure P ＞ P of the oil from described cavity oil-in2Time, described ball valve is from described cavity oil-in
Remove.
Further, described second elastic component is spring.
Further, described passage oil-in and described cavity oil-in are respectively arranged with filter screen.
Further, in described internal combustion engine housing, multiple described internal combustion engine cylinder barrel it is provided with, at described nozzle oil duct pair
It is provided with multiple described nozzle with answering, and is both provided with described mechanically controlled valve in each described nozzle.
Further, also include that lubricating oil pump, the input of described lubricating oil pump are positioned at oil sump, its outfan and described master
Oil duct connects, and is configured with oil filter and oil cooler the most successively on described machine oil delivery side of pump.
Use technique scheme, have the advantages that
By arranging Electromagnetic Control valve gear, easy and simple to handle and control sensitive；
By arranging the first elastic component between electromagnetic control assembly and piston valve, it is possible to achieve lose at electronic control unit
The control to the oil circuit in main oil gallery is kept during effect；
By arranging mechanically controlled valve between nozzle and nozzle oil duct, it is also possible to realize when electronic control unit failure
Keep the control of oil circuit in nozzle.
To sum up, the internal combustion engine that the present invention provides, its control is sensitive, and when electronic control unit failure, can play
Protective effect to oil circuit, it is ensured that internal combustion engine durability and the function of Hydraulic Elements.
Accompanying drawing explanation
The oil circuit schematic diagram of the internal combustion engine that Fig. 1 provides for one embodiment of the invention；
Fig. 2 is the schematic diagram of Electromagnetic Control valve gear；
Fig. 3 is the schematic diagram of mechanically controlled valve.
Reference synopsis:
1-internal combustion engine housing；2-internal combustion engine cylinder barrel；3-main oil gallery；
4-nozzle oil duct；5-Electromagnetic Control valve gear；50-electronic control unit；
51-solenoid electric valve；52-electromagnetic valve oil supply gallery；53-piston valve；
54-electromagnetic control assembly；541-Magnet；55-passage oil-in；
56-passage oil-out；57-the first elastic component；6-nozzle；
61-mechanically controlled valve；62-houses cavity；63-ball valve；
64-cavity oil-in；65-cavity oil-out；66-the second elastic component；
7-oil sump；8-oil pump；9-oil filter；
10-oil cooler.
Detailed description of the invention
Further illustrate the detailed description of the invention of the present invention below in conjunction with the accompanying drawings.The most identical parts are with identical
Reference represents.It should be noted that the word "front", "rear" used in describing below, "left", "right", "up" and "down"
Referring to the direction in accompanying drawing, word " interior " and " outward " refer respectively to the direction towards or away from particular elements geometric center.
As shown in Figure 1-2, a kind of internal combustion engine that one embodiment of the invention provides, including internal combustion engine housing 1, main oil gallery 3, set
Put the internal combustion engine cylinder barrel 2 in internal combustion engine housing 1 and the nozzle oil duct 4 connected with main oil gallery 3, nozzle oil duct 4 is provided with
For the nozzle 6 of spray cooling oil in internal combustion engine cylinder barrel 2.
Being additionally provided with Electromagnetic Control valve gear 5 on main oil gallery 3, Electromagnetic Control valve gear 5 includes solenoid electric valve 51 He
For controlling the electronic control unit 50 that solenoid electric valve 51 opens and closes.
It is provided with electromagnetic valve oil supply gallery 52 in solenoid electric valve 51, is slideably arranged in electromagnetic valve oil supply gallery 52
Piston valve 53 and being connected with piston valve 53, and for controlling the electromagnetic control assembly 54 that piston valve 53 moves.
Electromagnetic valve oil supply gallery 52 has passage oil-in 55 and passage oil-out 56.
When electronic control unit 50 is opened, electromagnetic control assembly 54 drives piston valve 53 to move, and piston valve 53 intercepts
Between passage oil-in 55 and passage oil-out 56.
When electronic control unit is closed, electromagnetic control assembly 54 drives piston valve 53 to reset, and piston valve 53 enters from passage
Remove between hydraulic fluid port 55 and passage oil-out 56.
Control the open close of main oil gallery 3 by solenoid electric valve 51, thus control to nozzle oil duct 4 fuel feeding.
Specifically, piston valve 53 is arranged in electromagnetic valve oil supply gallery 52, and can be in the effect of electromagnetic control assembly 54
Lower movement.
Piston valve 53 has original state, and the piston valve 53 leaving channel oil-in 55 being in original state is fuel-displaced with passage
Between mouth 56, now passage oil-in 55 connects fuel feeding with passage oil-out 56.
When electronic control unit 50 is opened or works, electromagnetic control assembly 54 drives piston valve 53 to move, piston valve 53
Move between passage oil-in 55 and passage oil-out 56, thus passage oil-in 55 is intercepted with passage oil-out 56, this
Time, passage oil-in 55 disconnects with passage oil-out 56, no longer to nozzle oil duct 4 fuel feeding.
When electronic control unit 50 is closed or quits work, piston valve 53 resets, and it can be by electromagnetic control assembly 54
Driving and reset, piston valve 53 is removed between passage oil-in 55 and passage oil-out 56, is reset to original state, now passage
Oil-in 55 connects with passage oil-out 56, can be to nozzle oil duct 4 fuel feeding.
Can as required, during or time of engine low speed relatively low at oil pressure, open electronic control unit 50 so that it is no longer
To nozzle oil duct 4 fuel feeding, keep in-engine low speed oil pressure, and control sensitive.
It is preferred that as in figure 2 it is shown, be provided with the first elastic component 57 between electromagnetic control assembly 54 and piston valve 53, the
The pretightning force of one elastic component 57 is P1。
Wherein, when electronic control unit 50 lost efficacy, electromagnetic control assembly 54 stops the effect to piston valve 53.
When electronic control unit 50 lost efficacy, when piston valve 53 receive from passage oil-in 55 oil pressure P≤
P1Time, piston valve 53 intercepts between passage oil-in 55 and passage oil-out 56.
When electronic control unit 50 lost efficacy, when piston valve 53 receives the pressure P ＞ of the oil from passage oil-in 55
During P1, piston valve 53 is removed between passage oil-in and passage oil-out.
Owing to when electronic control unit 50 lost efficacy, electromagnetic control assembly 54 stops the effect to piston valve 53, now lives
Plug valve 53 can be reset to original state so that oil circuit is in the conduction state.
By arranging the first elastic component 57, when electronic control unit 50 lost efficacy, the protective effect to oil circuit can be played.
Specifically, when electronic control unit 50 lost efficacy, oil circuit turns on, when piston valve 53 receives from passage oil-in
During the pressure P≤P1 of the oil of 55, piston valve 53, under the effect of the first elastic component 57, keeps intercepting at passage oil-in 55 with logical
Between road oil-out 56, now, passage oil-in 55 disconnects with passage oil-out 56, no longer to nozzle oil duct 4 fuel feeding, thus protects
Card engine oil pressure meets internal combustion engine demand, plays a protective role.
When electronic control unit 50 lost efficacy, when piston valve 53 receives the pressure P ＞ of the oil from passage oil-in 55
P1Time, piston valve 53, under the effect of oil pressure, removes between passage oil-in and passage oil-out, now passage oil-in 55
Connect with passage oil-out 56, can be to nozzle oil duct 4 fuel feeding.
P1Can set according to the engine oil pressure demand under the highest oil temperature of internal combustion engine and minimum speed.
It is preferred that the first elastic component 57 is spring, it is simple to draw materials and assemble, and good springiness, it is possible to preferably control to live
The movement of plug valve 53.
It is preferred that as in figure 2 it is shown, electromagnetic control assembly 54 includes coil and Magnet 541, Magnet 541 connects with piston valve 53
Touching, the first elastic component 57 is arranged between Magnet 541 and piston valve 53.
When electronic control unit 50 is opened, coil electricity, thus there is electromagnetic induction with Magnet 541, the sensing of generation
Power drives piston valve 53 to move.When electronic control unit 50 is closed, coil blackout, piston valve 53 is no longer by the work of Magnet 541
Firmly, it is reset to initial position.
It is preferred that as shown in figures 1 and 3, between nozzle 6 and nozzle oil duct 4, mechanically controlled valve 61 it is additionally provided with.
There is in mechanically controlled valve 61 accommodating cavity 62 and the ball valve 63 being movably arranged in accommodating cavity 62.
Accommodating cavity 62 has cavity oil-in 64 and cavity oil-out 65, and cavity oil-in 64 is connected with nozzle oil duct 4,
Cavity oil-out 65 is connected with nozzle 6.
The ball valve 63 being in original state is sealed on cavity oil-in 64.
The second elastic component for driving ball valve 63 to be sealed on cavity oil-in 64 it is additionally provided with in accommodating cavity 62
66, the pretightning force of the second elastic component 66 is P2。
Pressure P≤the P of the oil from cavity oil-in 64 is received at ball valve 632Time, ball valve 63 is sealed in cavity oil-feed
On mouth 64, receive the pressure P ＞ P of the oil from cavity oil-in 64 at ball valve 632Time, ball valve 63 is from cavity oil-in 64
Remove.
By arranging mechanically controlled valve 61 on nozzle 6, the protective effect to oil circuit can be played, especially in electronics control
When unit 50 processed lost efficacy, the protective effect to oil circuit becomes apparent from.
Ball valve 63 has original state, and when original state, ball valve 63 is sealed on cavity oil-in 64, now cavity
Oil-in 64 and cavity oil-out 65 are cut off by ball valve, no longer fuel feeding in nozzle 6.
When in normality or losing efficacy at electronic control unit 50, oil circuit is in the conduction state, receives from chamber at ball valve 63
Pressure P≤the P of the oil of body oil-in 642Time, ball valve 63 is sealed on cavity oil-in 64, cavity oil-in 64 and cavity is gone out
Hydraulic fluid port 65 cuts off, no longer fuel feeding in nozzle 6, thus ensures that engine oil pressure meets internal combustion engine demand, plays a protective role.
The pressure P ＞ P of the oil from cavity oil-in 64 is received at ball valve 632Time, ball valve 63 is from cavity oil-in 64
On remove, cavity oil-in 64 connects with cavity oil-out 65, can be to nozzle 6 fuel feeding.
Mechanically controlled valve 61 can be used alone the protection realized oil circuit, naturally it is also possible to coordinates the first elastic component common
Use, improve oil circuit protected effect.
P2Can set according to the engine oil pressure demand under the highest oil temperature of internal combustion engine and minimum speed.
It is preferred that the second elastic component 66 is spring, it is simple to draw materials and assemble, and good springiness, it is possible to preferably control ball
The movement of valve 63.
It is preferred that be respectively arranged with filter screen on passage oil-in 55 and cavity oil-in 64, the machine oil entered is carried out
Filter.
It is preferred that as it is shown in figure 1, be provided with multiple internal combustion engine cylinder barrel 2 in internal combustion engine housing 1, corresponding at nozzle oil duct 4
Be provided with multiple nozzle 6, and be both provided with mechanically controlled valve 61 in each nozzle 6, meet power demand, simultaneously at electronics
When control unit 50 lost efficacy, it is possible to farthest oil circuit is protected.
It is preferred that as it is shown in figure 1, internal combustion engine also includes that lubricating oil pump 8, the input of lubricating oil pump 8 are positioned at oil sump 7, its
Outfan is connected with main oil gallery 3, is configured with oil filter 9 and oil cooler 10 on the outfan of lubricating oil pump 8 the most successively.
Machine oil is sucked from oil sump 7 by oil pump 8, enters main oil gallery 3 through oil filter 9 and oil cooler 10.Machine oil
Cleaner 9 goes the removal of impurity for the machine oil of process is carried out filtration.Oil cooler 10 is for cooling to the machine oil of process.
In sum, the internal combustion engine that the present invention provides, its simple in construction, simple operation, control are sensitive, and in electronics control
During element failure processed, the protective effect to oil circuit can be played, it is ensured that internal combustion engine durability and the function of Hydraulic Elements.
As required, above-mentioned each technical scheme can be combined, to reach best-of-breed technology effect.
Above-described is only principle and the preferred embodiment of the present invention.It should be pointed out that, the common skill for this area
For art personnel, on the basis of the principle of the invention, it is also possible to make other modification some, also should be regarded as the protection model of the present invention
Enclose.
Claims (9)
1. an internal combustion engine, including internal combustion engine housing, main oil gallery, the internal combustion engine cylinder barrel being arranged in described internal combustion engine housing and with
The nozzle oil duct of described main oil gallery connection, is provided with for spray cooling oil in described internal combustion engine cylinder barrel on described nozzle oil duct
Nozzle；
It is characterized in that, being additionally provided with Electromagnetic Control valve gear on described main oil gallery, described Electromagnetic Control valve gear includes electricity
Magnetic control valve and for control described solenoid electric valve open and close electronic control unit；
Electromagnetic valve oil supply gallery, the work being slideably arranged in described electromagnetic valve oil supply gallery it is provided with in described solenoid electric valve
Plug valve and being connected with described piston valve, and for controlling the electromagnetic control assembly that described piston valve moves；
Described electromagnetic valve oil supply gallery has passage oil-in and passage oil-out；
When described electronic control unit is opened, described electromagnetic control assembly drives described piston valve to move, and described piston valve hinders
It is interposed between described passage oil-in and described passage oil-out；
When described electronic control unit is closed, described electromagnetic control assembly drive described piston valve reset, described piston valve from
Remove between described passage oil-in and described passage oil-out.
Internal combustion engine the most according to claim 1, it is characterised in that between described electromagnetic control assembly and described piston valve
Being provided with the first elastic component, the pretightning force of described first elastic component is P1；
When described electronic control unit failure, described electromagnetic control assembly stops the effect to described piston valve；
When described electronic control unit failure, when described piston valve receives the pressure P of the oil from described passage oil-in
≤P1Time, described piston valve intercepts between described passage oil-in and described passage oil-out；
When described electronic control unit failure, when described piston valve receives the pressure P of the oil from described passage oil-in
＞ P1Time, described piston valve is removed between described passage oil-in and described passage oil-out.
Internal combustion engine the most according to claim 2, it is characterised in that described first elastic component is spring.
Internal combustion engine the most according to claim 2, it is characterised in that described electromagnetic control assembly includes coil and Magnet, institute
Stating Magnet to contact with described piston valve, described first elastic component is arranged between described Magnet and described piston valve.
5. according to the internal combustion engine described in any claim in claim 1-4, it is characterised in that in described nozzle and described spray
It is additionally provided with mechanically controlled valve between mouth oil duct；
There is in described mechanically controlled valve accommodating cavity and the ball valve being movably arranged in described containing cavity body；
Described accommodating cavity has cavity oil-in and cavity oil-out, and described cavity oil-in is connected with described nozzle oil duct,
Described cavity oil-out is connected with described nozzle；
It is in the described ball valve sealing of original state on described cavity oil-in；
The second elasticity for driving described ball valve sealing on described cavity oil-in it is additionally provided with in described containing cavity body
Part, the pretightning force of described second elastic component is P2；
Pressure P≤the P of the oil from described cavity oil-in is received at described ball valve2Time, described ball valve sealing is at described cavity
On oil-in；
The pressure P ＞ P of the oil from described cavity oil-in is received at described ball valve2Time, described ball valve is from described cavity oil-feed
Remove on Kou.
Internal combustion engine the most according to claim 5, it is characterised in that described second elastic component is spring.
Internal combustion engine the most according to claim 5, it is characterised in that on described passage oil-in and described cavity oil-in
It is respectively arranged with filter screen.
Internal combustion engine the most according to claim 5, it is characterised in that be provided with in described internal combustion engine housing multiple described in
Combustion engine cylinder barrel, is correspondingly provided with multiple described nozzle at described nozzle oil duct, and is both provided with institute in each described nozzle
State mechanically controlled valve.
Internal combustion engine the most according to claim 5, it is characterised in that also include lubricating oil pump, the input position of described lubricating oil pump
In oil sump, its outfan is connected with described main oil gallery, is configured with oil strainer the most successively on described machine oil delivery side of pump
Clear device and oil cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610424821.7A CN105952560B (en) | 2016-06-16 | 2016-06-16 | A kind of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610424821.7A CN105952560B (en) | 2016-06-16 | 2016-06-16 | A kind of internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105952560A true CN105952560A (en) | 2016-09-21 |
| CN105952560B CN105952560B (en) | 2019-09-10 |
Family
ID=56906526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610424821.7A Active CN105952560B (en) | 2016-06-16 | 2016-06-16 | A kind of internal combustion engine |
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| CN102758676B (en) * | 2012-08-02 | 2014-12-10 | 三一重工股份有限公司 | Engine piston cooling nozzle, engine and engineering machinery |
| JP2014152792A (en) * | 2013-02-05 | 2014-08-25 | Taiho Kogyo Co Ltd | Oil amount adjusting device |
| CN204060840U (en) * | 2014-06-17 | 2014-12-31 | 上海汽车集团股份有限公司 | Engine lubrication system |
| CN204493843U (en) * | 2015-03-22 | 2015-07-22 | 衢州迪升工业设计有限公司 | A kind of normally open solenoid valve of piston structure |
| CN205297712U (en) * | 2015-12-17 | 2016-06-08 | 潍柴动力股份有限公司 | Automatically controlled adjustment mechanism of engine piston cooling nozzle |
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