CN105952560B - A kind of internal combustion engine - Google Patents
A kind of internal combustion engine Download PDFInfo
- Publication number
- CN105952560B CN105952560B CN201610424821.7A CN201610424821A CN105952560B CN 105952560 B CN105952560 B CN 105952560B CN 201610424821 A CN201610424821 A CN 201610424821A CN 105952560 B CN105952560 B CN 105952560B
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- internal combustion
- combustion engine
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 56
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 238000005507 spraying Methods 0.000 claims abstract description 3
- 239000003921 oil Substances 0.000 claims description 220
- 239000010687 lubricating oil Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract description 8
- 239000000446 fuel Substances 0.000 description 11
- 239000010721 machine oil Substances 0.000 description 8
- 239000010705 motor oil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 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
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002633 protecting effect Effects 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 a kind of internal combustion engines, and including internal combustion engine shell, main oil gallery, the internal combustion engine cylinder barrel being arranged in internal combustion engine shell and the nozzle oil duct being connected to main oil gallery, the nozzle for spraying cooling oil into internal combustion engine cylinder barrel is provided on nozzle oil duct；Electromagnetic Control valve gear is additionally provided on main oil gallery, Electromagnetic Control valve gear includes solenoid electric valve and the electronic control unit for controlling solenoid electric valve opening and closing；It is provided with solenoid valve oil supply gallery, the piston valve being slideably arranged in solenoid valve oil supply gallery in solenoid electric valve and is connect with piston valve, and for controlling the mobile electromagnetic control assembly of piston valve.Internal combustion engine provided by the invention, control is sensitive, and in electronic control unit failure, can play the protective effect to oil circuit, ensure that the function of internal combustion engine durability and Hydraulic Elements.
Description
Technical field
The present invention relates to vehicle powers to provide systems technology field more particularly to a kind of internal combustion engine.
Background technique
When internal combustion engine (engine) work of general motor vehicles, fuel and air mixture is cyclically added to burning
Room is simultaneously ignited, to generate the exhaust gas of thermal expansion, makes reciprocating motion of the pistons.The by-produced high speed of each friction of motion of internal combustion engine is opposite
Friction is moved and generates, lubricating system meets internal combustion engine lubrication requirement by supplying the machine oil of convenient pressure.In addition, machine oil is moistening
The heat absorption that circulation generates burning and friction in sliding system, plays cooling effect.
Lubricating system of IC engine generally comprises piston cooling nozzle, and for by the downside of oil spurts to piston, machine oil can be with
The cylinder of combustion gas in being used to absorb the heat of piston and lubricating.
The disconnection and closing of oil circuit generally are controlled by the way that control valve is arranged on main oil pipe in the prior art, but it is existing
Control valve in technology is in the presence of structure is complicated, the insensitive problem of control.
In certain applicable cases, it is additionally provided with the dedicated oil duct for leading to piston cooling nozzle, and oil is managed by solenoid valve
The on-off in road.
However solenoid valve it is normally opened to will lead to piston cooling nozzle, to keep interior combustion gas low speed oil pressure too low, most once failing
Leading to the function of internal combustion engine durability and Hydraulic Elements eventually not can guarantee.
Summary of the invention
The purpose of the present invention is to overcome the defects in the prior art, provides a kind of internal combustion engine, control is sensitive, in electronics
When control unit fails, switch control can also be carried out to oil circuit, help to improve the performance and durability of internal combustion engine.
Technical solution of the present invention provides a kind of internal combustion engine, including internal combustion engine shell, main oil gallery, setting in the internal combustion casing
Intracorporal internal combustion engine cylinder barrel and the nozzle oil duct being connected to the main oil gallery are provided with for described on the nozzle oil duct
The nozzle of spray cooling oil in internal combustion engine cylinder barrel；Electromagnetic Control valve gear, the Electromagnetic Control are additionally provided on the main oil gallery
The electronic control unit that valve gear includes solenoid electric valve and opens and closes for controlling the solenoid electric valve；The electromagnetism
Be provided in control valve solenoid valve oil supply gallery, the piston valve being slideably arranged in the solenoid valve oil supply gallery and with it is described
Piston valve connection, and for controlling the mobile electromagnetic control assembly of the piston valve；The solenoid valve oil supply gallery has channel
Oil inlet and channel oil outlet；When the electronic control unit is opened, the electromagnetic control assembly drives the piston valve to move
Dynamic, the piston valve barrier is between the channel oil inlet and the channel oil outlet；It is closed in the electronic control unit
When, the electromagnetic control assembly drives the piston valve to reset, and the piston valve goes out from the channel oil inlet with the channel
It is removed between hydraulic fluid port.
Further, it is provided with the first elastic component between the electromagnetic control assembly and the piston valve, described first
The pretightning force of elastic component is P1；In the electronic control unit failure, when the electromagnetic control assembly stops to the piston
The effect of valve；In the electronic control unit failure, the piston valve receives the pressure of the oil from the channel oil inlet
Power P≤P1When, the piston valve barrier is between the channel oil inlet and the channel oil outlet；It is single in the electronic control
When member failure, when the piston valve receives the pressure P > P of the oil from the channel oil inlet1When, the piston valve is from institute
It states and is removed between channel oil inlet and the channel oil outlet.
Further, first elastic component is spring.
Further, the electromagnetic control assembly includes coil and magnet, and the magnet is contacted with the piston valve, described
First elastic component configures between the magnet and the piston valve.
Further, mechanically controlled valve is additionally provided between the nozzle and the nozzle oil duct；The Mechanical course
There is accommodating cavity in valve and be movably arranged at the intracorporal ball valve of the accommodating cavity；The accommodating cavity has cavity oil inlet
With cavity oil outlet, the cavity oil inlet is connect with the nozzle oil duct, and the cavity oil outlet is connect with the nozzle；Place
In original state the ball valve sealing on the cavity oil inlet；It is additionally provided in the accommodating cavity body for driving
Second elastic component of the ball valve sealing on the cavity oil inlet is stated, the pretightning force of second elastic component is P2；In the ball
Valve receives pressure P≤P of the oil from the cavity oil inlet2When, the ball valve sealing is on the cavity oil inlet；?
The ball valve receives the pressure P > P of the oil from the cavity oil inlet2When, the ball valve is from the cavity oil inlet
It removes.
Further, second elastic component is spring.
Further, strainer is respectively arranged on the channel oil inlet and the cavity oil inlet.
Further, multiple internal combustion engine cylinder barrels are provided in the internal combustion engine shell, in the nozzle oil duct pair
It is provided with multiple nozzles with answering, and is both provided with the mechanically controlled valve in each nozzle.
It further, further include lubricating oil pump, the input terminal of the lubricating oil pump is located in oil sump, output end and the master
Oil duct connection, is also configured in order oil filter and oil cooler on the output end of the lubricating oil pump.
By adopting the above technical scheme, it has the following beneficial effects:
By the way that Electromagnetic Control valve gear is arranged, easy to operate and control is sensitive；
By the way that the first elastic component is arranged between electromagnetic control assembly and piston valve, may be implemented to lose in electronic control unit
The control to the oil circuit in main oil gallery is kept when effect；
By the way that mechanically controlled valve is arranged between nozzle and nozzle oil duct, also may be implemented in electronic control unit failure
Keep the control to oil circuit in nozzle.
To sum up, internal combustion engine provided by the invention, control is sensitive, and in electronic control unit failure, can play
Protective effect to oil circuit ensure that the function of internal combustion engine durability and Hydraulic Elements.
Detailed description of the invention
Fig. 1 is the oil circuit schematic diagram for the internal combustion engine that one embodiment of the invention provides；
Fig. 2 is the schematic diagram of Electromagnetic Control valve gear；
Fig. 3 is the schematic diagram of mechanically controlled valve.
The appended drawing reference table of comparisons:
1- internal combustion engine shell；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- solenoid valve oil supply gallery；53- piston valve；
54- electromagnetic control assembly；541- magnet；The channel 55- oil inlet；
The channel 56- oil outlet；The first elastic component of 57-；6- nozzle；
61- mechanically controlled valve；62- accommodates cavity；63- ball valve；
64- cavity oil inlet；65- cavity oil outlet；The second elastic component of 66-；
7- oil sump；8- oil pump；9- oil filter；
10- oil cooler.
Specific embodiment
Further illustrate a specific embodiment of the invention with reference to the accompanying drawing.Wherein identical components are with identical
Appended drawing reference indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down"
Refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to the direction towards or away from geometric center of specific component.
As shown in Figs. 1-2, a kind of internal combustion engine that one embodiment of the invention provides, including internal combustion engine shell 1, main oil gallery 3, set
The nozzle oil duct 4 setting the internal combustion engine cylinder barrel 2 in internal combustion engine shell 1 and being connected to main oil gallery 3, is provided on nozzle oil duct 4
For spraying the nozzle 6 of cooling oil into internal combustion engine cylinder barrel 2.
Electromagnetic Control valve gear 5 is additionally provided on main oil gallery 3, Electromagnetic Control valve gear 5 includes 51 He of solenoid electric valve
For controlling the electronic control unit 50 of the opening and closing of solenoid electric valve 51.
It is provided with solenoid valve oil supply gallery 52 in solenoid electric valve 51, is slideably arranged in solenoid valve oil supply gallery 52
Piston valve 53 and the electromagnetic control assembly 54 for connecting with piston valve 53, and being moved for controlling piston valve 53.
Solenoid valve oil supply gallery 52 has channel oil inlet 55 and channel oil outlet 56.
When electronic control unit 50 is opened, electromagnetic control assembly 54 drives piston valve 53 mobile, and the barrier of piston valve 53 exists
Between channel oil inlet 55 and channel oil outlet 56.
Electronic control unit close when, electromagnetic control assembly 54 drive piston valve 53 reset, piston valve 53 from channel into
It is removed between hydraulic fluid port 55 and channel oil outlet 56.
The open close of main oil gallery 3 is controlled by solenoid electric valve 51, to control to 4 fuel feeding of nozzle oil duct.
Specifically, piston valve 53 configures in solenoid 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 53 leaving channel oil inlet 55 of piston valve and channel in original state are fuel-displaced
Between mouth 56, channel oil inlet 55 is connected to fuel feeding with channel oil outlet 56 at this time.
When electronic control unit 50 is opened or is worked, electromagnetic control assembly 54 drives piston valve 53 mobile, piston valve 53
It is moved between channel oil inlet 55 and channel oil outlet 56, so that channel oil inlet 55 and channel oil outlet 56 are obstructed, this
When, channel oil inlet 55 and channel oil outlet 56 disconnect, no longer to 4 fuel feeding of nozzle oil duct.
When electronic control unit 50 is closed or stopped working, piston valve 53 resets, can be by electromagnetic control assembly 54
It drives and resets, piston valve 53 is removed between channel oil inlet 55 and channel oil outlet 56, is reset to original state, at this time channel
Oil inlet 55 is connected to channel oil outlet 56, can be to 4 fuel feeding of nozzle oil duct.
It can according to need, when oil pressure is lower or time of engine low speed, opens electronic control unit 50, make it no longer
To 4 fuel feeding of nozzle oil duct, in-engine low speed oil pressure is kept, and is controlled sensitive.
Preferably, as shown in Fig. 2, be provided with the first elastic component 57 between electromagnetic control assembly 54 and piston valve 53,
The pretightning force of one elastic component 57 is P1。
Wherein, when electronic control unit 50 fails, electromagnetic control assembly 54 stops the effect to piston valve 53.
Electronic control unit 50 fail when, when piston valve 53 receive from channel oil inlet 55 oil pressure P≤
P1When, piston valve 53 obstructs between channel oil inlet 55 and channel oil outlet 56.
When electronic control unit 50 fails, when piston valve 53 receives the pressure P > of the oil from channel oil inlet 55
When P1, piston valve 53 is removed between channel oil inlet and channel oil outlet.
Since when electronic control unit 50 fails, electromagnetic control assembly 54 stops the effect to piston valve 53, lives at this time
Plug valve 53 can be reset to original state, so that oil circuit is in the conductive state.
By the way that the first elastic component 57 is arranged, when electronic control unit 50 fails, the protective effect to oil circuit can be played.
Specifically, when electronic control unit 50 fails, oil circuit conducting, when piston valve 53 is received from channel oil inlet
When pressure P≤P1 of 55 oil, piston valve 53 keeps barrier in channel oil inlet 55 and leads under the action of the first elastic component 57
Between road oil outlet 56, at this point, channel oil inlet 55 and channel oil outlet 56 disconnect, no longer to 4 fuel feeding of nozzle oil duct, to protect
Card engine oil pressure meets internal combustion engine demand, plays a protective role.
When electronic control unit 50 fails, when piston valve 53 receives the pressure P > of the oil from channel oil inlet 55
P1When, piston valve 53 is removed between channel oil inlet and channel oil outlet under the action of oil pressure, at this time channel oil inlet 55
It is connected to channel oil outlet 56, it can be to 4 fuel feeding of nozzle oil duct.
P1It can be set according to the engine oil pressure demand under internal combustion engine highest oil temperature and minimum speed.
Preferably, the first elastic component 57 is spring, convenient for materials and assembling, and elasticity is good, can preferably control work
The movement of plug valve 53.
Preferably, magnet 541 connects with piston valve 53 as shown in Fig. 2, electromagnetic control assembly 54 includes coil and magnet 541
Touching, the first elastic component 57 configure between magnet 541 and piston valve 53.
When electronic control unit 50 is opened, coil is powered, so that electromagnetic induction, the induction of generation occur with magnet 541
Power drive piston valve 53 is mobile.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.
Preferably, as shown in figures 1 and 3, mechanically controlled valve 61 is additionally provided between nozzle 6 and nozzle oil duct 4.
The ball valve 63 that there is accommodating cavity 62 in mechanically controlled valve 61 and be movably arranged in accommodating cavity 62.
Accommodating cavity 62 has cavity oil inlet 64 and cavity oil outlet 65, and cavity oil inlet 64 is connect with nozzle oil duct 4,
Cavity oil outlet 65 is connect with nozzle 6.
Ball valve 63 in original state is sealed on cavity oil inlet 64.
The second elastic component for driving ball valve 63 to be sealed on cavity oil inlet 64 is additionally provided in accommodating cavity 62
66, the pretightning force of the second elastic component 66 is P2。
Pressure P≤P of the oil from cavity oil inlet 64 is received in ball valve 632When, ball valve 63 is sealed in cavity oil inlet
On mouth 64, the pressure P > P of the oil from cavity oil inlet 64 is received in ball valve 632When, ball valve 63 is from cavity oil inlet 64
It removes.
By the way that mechanically controlled valve 61 is arranged on nozzle 6, the protective effect to oil circuit can be played, especially in electronics control
It is more obvious to the protective effect of oil circuit when unit 50 processed fails.
Ball valve 63 has original state, and in the initial state, ball valve 63 is sealed in from cavity oil inlet 64, at this time cavity
Oil inlet 64 and cavity oil outlet 65 are separated by ball valve, the fuel feeding no longer into nozzle 6.
In normality or when electronic control unit 50 fails, oil circuit is in the conductive state, receives in ball valve 63 from chamber
Pressure P≤P of the oil of body oil inlet 642When, ball valve 63 is sealed on cavity oil inlet 64, and cavity oil inlet 64 and cavity are gone out
Hydraulic fluid port 65 separates, and the fuel feeding no longer into nozzle 6 plays a protective role to guarantee that engine oil pressure meets internal combustion engine demand.
The pressure P > P of the oil from cavity oil inlet 64 is received in ball valve 632When, ball valve 63 is from cavity oil inlet 64
On remove, cavity oil inlet 64 is connected to cavity oil outlet 65, can be to 6 fuel feeding of nozzle.
Mechanically controlled valve 61 can be used alone the protection realized to oil circuit, naturally it is also possible to cooperate the first elastic component common
It uses, improves oil circuit protecting effect.
P2It can be set according to the engine oil pressure demand under internal combustion engine highest oil temperature and minimum speed.
Preferably, the second elastic component 66 is spring, convenient for materials and assembling, and elasticity is good, can preferably control ball
The movement of valve 63.
Preferably, being respectively arranged with strainer on channel oil inlet 55 and cavity oil inlet 64, the machine oil of entrance is carried out
Filtering.
Preferably, as shown in Figure 1, multiple internal combustion engine cylinder barrels 2 are provided in internal combustion engine shell 1, in the correspondence of nozzle oil duct 4
Ground is provided with multiple nozzles 6, and is both provided with mechanically controlled valve 61 in each nozzle 6, meets power demand, while in electronics
When control unit 50 fails, farthest oil circuit can be protected.
Preferably, the input terminal of lubricating oil pump 8 is located in oil sump 7 as shown in Figure 1, internal combustion engine further includes lubricating oil pump 8,
Output end is connect with main oil gallery 3, and oil filter 9 and oil cooler 10 are also configured in order on the output end of lubricating oil pump 8.
Machine oil is sucked by oil pump 8 from oil sump 7, enters main oil gallery 3 by oil filter 9 and oil cooler 10.Machine oil
Filter 9 is for being filtered removal impurity to the machine oil of process.Oil cooler 10 is for cooling down the machine oil of process.
In conclusion internal combustion engine provided by the invention, structure is simple, operation is convenient, control is sensitive, and in electronics control
When element failure processed, the protective effect to oil circuit can be played, ensure that the function of internal combustion engine durability and Hydraulic Elements.
As needed, above-mentioned each technical solution can be combined, to reach best-of-breed technology effect.
Above-described is only the principle of the present invention and preferred embodiment.It should be pointed out that for the common skill of this field
For art personnel, on the basis of the principle of the invention, several other modifications can also be made, also should be regarded as protection model of the invention
It encloses.
Claims (8)
1. a kind of internal combustion engine, including internal combustion engine shell, main oil gallery, setting the intracorporal internal combustion engine cylinder barrel of the internal combustion engine shell and with
The nozzle oil duct of the main oil gallery connection, is provided with for spraying cooling oil into the internal combustion engine cylinder barrel on the nozzle oil duct
Nozzle；
It is characterized in that, being additionally provided with Electromagnetic Control valve gear on the main oil gallery, the Electromagnetic Control valve gear includes electricity
Magnetic control valve and the electronic control unit opened and closed for controlling the solenoid electric valve；
The work for being provided with solenoid valve oil supply gallery in the solenoid electric valve, being slideably arranged in the solenoid valve oil supply gallery
Plug valve and the electromagnetic control assembly for connecting with the piston valve, and being moved for controlling the piston valve；
The solenoid valve oil supply gallery has channel oil inlet and channel oil outlet；
When the electronic control unit is opened, the electromagnetic control assembly drives the piston valve mobile, the piston valve resistance
It is interposed between the channel oil inlet and the channel oil outlet；
When the electronic control unit is closed, the electromagnetic control assembly drives the piston valve to reset, the piston valve from
It is removed between the channel oil inlet and the channel oil outlet；
The first elastic component, the pretightning force of first elastic component are provided between the electromagnetic control assembly and the piston valve
For P1；
In the electronic control unit failure, the electromagnetic control assembly stops the effect to the piston valve；
In the electronic control unit failure, when the piston valve receives the pressure P of the oil from the channel oil inlet
≤P1When, the piston valve barrier is between the channel oil inlet and the channel oil outlet；
In the electronic control unit failure, when the piston valve receives the pressure P of the oil from the channel oil inlet
> P1When, the piston valve is removed between the channel oil inlet and the channel oil outlet.
2. internal combustion engine according to claim 1, which is characterized in that first elastic component is spring.
3. internal combustion engine according to claim 1, which is characterized in that the electromagnetic control assembly includes coil and magnet, institute
It states magnet to contact with the piston valve, the first elastic component configuration is between the magnet and the piston valve.
4. internal combustion engine described in any claim in -3 according to claim 1, which is characterized in that in the nozzle and the spray
Mechanically controlled valve is additionally provided between mouth oil duct；
There is accommodating cavity in the mechanically controlled valve and be movably arranged at the intracorporal ball valve of the accommodating cavity；
The accommodating cavity has cavity oil inlet and cavity oil outlet, and the cavity oil inlet is connect with the nozzle oil duct,
The cavity oil outlet is connect with the nozzle；
The ball valve sealing in original state is on the cavity oil inlet；
The second elasticity for driving the ball valve sealing on the cavity oil inlet is additionally provided in the accommodating cavity body
Part, the pretightning force of second elastic component are P2；
Pressure P≤P of the oil from the cavity oil inlet is received in the ball valve2When, the ball valve sealing is in the cavity
On oil inlet；
The pressure P > P of the oil from the cavity oil inlet is received in the ball valve2When, the ball valve is from the cavity oil inlet
It is removed on mouthful.
5. internal combustion engine according to claim 4, which is characterized in that second elastic component is spring.
6. internal combustion engine according to claim 4, which is characterized in that on the channel oil inlet and the cavity oil inlet
It is respectively arranged with strainer.
7. internal combustion engine according to claim 4, which is characterized in that be provided in the internal combustion engine shell multiple described interior
Combustion engine cylinder barrel is correspondingly provided with multiple nozzles in the nozzle oil duct, and is both provided with institute in each nozzle
State mechanically controlled valve.
8. internal combustion engine according to claim 4, which is characterized in that it further include lubricating oil pump, the input terminal position of the lubricating oil pump
In in oil sump, output end is connect with the main oil gallery, is also configured in order oil strainer on the output end of the lubricating oil 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 CN105952560A (en) | 2016-09-21 |
| CN105952560B true 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105952560B (en) |
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| CN201546796U (en) * | 2009-10-23 | 2010-08-11 | 北汽福田汽车股份有限公司 | Piston cooling device |
| CN201635815U (en) * | 2009-12-30 | 2010-11-17 | 绵阳新晨动力机械有限公司 | Cooling nozzle of engine piston |
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| CN204060840U (en) * | 2014-06-17 | 2014-12-31 | 上海汽车集团股份有限公司 | Engine lubrication system |
| 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 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2592972Y (en) * | 2002-10-11 | 2003-12-17 | 张曙东 | Normal-open electromagnetic valve |
| 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 |
| 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 |
-
2016
- 2016-06-16 CN CN201610424821.7A patent/CN105952560B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201546796U (en) * | 2009-10-23 | 2010-08-11 | 北汽福田汽车股份有限公司 | Piston cooling device |
| CN201635815U (en) * | 2009-12-30 | 2010-11-17 | 绵阳新晨动力机械有限公司 | Cooling nozzle of engine piston |
| CN102788690A (en) * | 2011-05-19 | 2012-11-21 | 通用汽车环球科技运作有限责任公司 | Method to diagnose a fault of an oil piston cooling jets valve |
| CN204060840U (en) * | 2014-06-17 | 2014-12-31 | 上海汽车集团股份有限公司 | Engine lubrication system |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105952560A (en) | 2016-09-21 |
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