CN208024422U - A kind of timing chain lubrication system - Google Patents
A kind of timing chain lubrication system Download PDFInfo
- Publication number
- CN208024422U CN208024422U CN201820221916.3U CN201820221916U CN208024422U CN 208024422 U CN208024422 U CN 208024422U CN 201820221916 U CN201820221916 U CN 201820221916U CN 208024422 U CN208024422 U CN 208024422U
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- CN
- China
- Prior art keywords
- spray orifice
- sprocket wheels
- timing chain
- oil
- air inlet
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
Include lubricating nozzle the utility model discloses a kind of timing chain lubrication system and the mounting hole for installing lubricating nozzle, lubricating nozzle is equipped with oil input channel, the crankshaft sprocket spray orifice of lubricating oil is sprayed for crankshaft sprocket, is the air inlet VVT sprocket wheel spray orifices for being vented the exhaust VVT sprocket wheels spray orifice of VVT sprocket wheels injection lubricating oil and being air inlet VVT sprocket wheels injection lubricating oil, and crankshaft sprocket spray orifice, exhaust VVT sprocket wheels spray orifice and air inlet VVT sprocket wheels spray orifice are penetrated through with oil input channel.Three spray orifices are set on atomizer, it realizes and sprays lubricating oil to crankshaft sprocket, exhaust VVT sprocket wheels, air inlet VVT sprocket wheels and the timing chain before engagement simultaneously, it ensures that engagement is smooth, reduces fever and abrasion, extend the service life of engine, mounting hole is arranged on the main oil gallery of timing system, lubricating nozzle is plugged in mounting hole, by main oil gallery directly to atomizer fuel feeding, without separately opening up oil leab, the manufacturing process for reducing engine, reduces cost.
Description
Technical field
The utility model belongs to technical field of engines, more particularly to timing chain system, and in particular to a kind of timing chain
Lubrication system.
Background technology
Engine timing system mostly uses chain drive at present, and balance shaft is also driven by link chain mechanism, chain system
Relatively reliable, longer life expectancy is driven than belt, need not be replaced during use.The timing chain of existing major part engine
System relies on the oil gas generated in engine operation process to be lubricated or be lubricated using lubricating nozzle, timing chain lubrication
Nozzle is a kind of mechanism of special lubrication timing chain on engine.But there are one spray orifice, spray orifices on existing lubricating nozzle
The continual injection lubricating oil of sprocket wheel that can be on the timing chain and bent axle before engagement both makes lubrication fully be unlikely to send out
Heat or friction damage.Existing lubricating nozzle is arranged close to the place that crankshaft sprocket starts engagement for timing chain, needs
Separately a small oil leab is set to be connected to main oil gallery.
It, can not the air inlet VVT sprocket wheels that cover of grease cylinders since existing timing chain lubricating nozzle is only there are one spray orifice
With exhaust VVT sprocket wheels, fever and wear extent are larger when air inlet VVT sprocket wheels and exhaust VVT sprocket wheels being caused to be engaged with timing chain, make
Timing chain system is easy to wear, noise increases, when especially the machine oil drain period is elongated, the impurity in machine oil can aggravate chain
The abrasion of item brings hidden danger to the long-time service of engine.This is, since existing lubricating nozzle is arranged close to bent axle chain
Wheel starts the place of engagement for timing chain, needs separately to set a small oil leab and is connected to main oil gallery, increases manufacture work
Skill makes the manufacturing cost of engine get higher.
Utility model content
For insufficient existing for timing chain system lubrication system in the prior art, the purpose of this utility model is to provide
One kind is simple in structure, easy to use, saves process costs, the comprehensive timing chain lubrication system of lubrication, timing chain lubrication
Structure can spray lubricating oil to crankshaft sprocket, exhaust VVT sprocket wheels, air inlet VVT sprocket wheels and the timing chain before engagement simultaneously, ensure
Engage everywhere it is smooth, reduce fever and abrasion, extend the service life of engine.
To achieve the above object, the technical solution of the utility model is：A kind of timing chain lubrication system, including lubrication spray
Mouth and mounting hole for installing lubricating nozzle, the lubricating nozzle be equipped with the oil input channel being connected to fuel feeding oil duct, for for
Crankshaft sprocket sprays the crankshaft sprocket spray orifice of lubricating oil, the exhaust VVT sprocket wheel spray orifices for spraying lubricating oil for exhaust VVT sprocket wheels
With the air inlet VVT sprocket wheel spray orifices for spraying lubricating oil for air inlet VVT sprocket wheels, the crankshaft sprocket spray orifice, exhaust VVT sprocket wheels spray
Hole and air inlet VVT sprocket wheels spray orifice are penetrated through with the oil input channel.
Further, the mounting hole is arranged on the main oil gallery of timing system, and the lubricating nozzle is plugged in mounting hole
Interior, the oil input channel is connected to main oil gallery.
Further, the axis I of the crankshaft sprocket spray orifice, the axis II of the exhaust VVT sprocket wheel spray orifices, the air inlet
III threes of axis of VVT sprocket wheel spray orifices is intersected, and the axis I, axis II, III three of axis intersection point fall in the oil input channel
Axle center.
Further, being equipped on the lubricating nozzle prevents the mistake proofing face of setup error.
Further, the mistake proofing face is the face of scabbling being arranged on the lubricating nozzle, remote on the lubricating nozzle
The face of scabbling is arranged in side from the crankshaft sprocket spray orifice, exhaust VVT sprocket wheels spray orifice and air inlet VVT sprocket wheel spray orifices.
Further, when the lubricating nozzle is mounted in the mounting hole, the mistake proofing face and engine cylinder body and hair
The contact surface of motivation cylinder cap is vertical.
Further, calculated counterclockwise using the mistake proofing face as starting point, the crankshaft sprocket spray orifice and the mistake proofing face it
Between angle be angle α, it is described exhaust VVT sprocket wheels spray orifice and the mistake proofing face between angle be angle β, the air inlet VVT
Angle between sprocket wheel spray orifice and the mistake proofing face is angle γ.
Further, the angle value of the angle α, the angle β and the angle γ is according to the crankshaft sprocket, described
The installation site of VVT sprocket wheels and the air inlet VVT sprocket wheels on the engine is vented to determine.
Further, the lubricating oil sprayed by the crankshaft sprocket spray orifice sprays to the crankshaft sprocket and timing chain
The side of engagement place sprays to the exhaust VVT sprocket wheels by the lubricating oil of the exhaust VVT sprocket wheel spray orifices injection and is opened with timing chain
The side of beginning engagement place, the lubricating oil sprayed by the air inlet VVT sprocket wheel spray orifices spray to the air inlet VVT sprocket wheels and timing chain
Start the side of engagement place.
Further, being equipped between the lubricating nozzle and the mounting hole prevents the sealant of oil leak.
The advantages of using technical solutions of the utility model for：
1. the atomizer of the utility model is provided with crankshaft sprocket spray orifice, exhaust VVT sprocket wheels spray orifice and the spray of air inlet VVT sprocket wheels
Three, hole spray orifice, can be simultaneously to crankshaft sprocket, exhaust VVT sprocket wheels, air inlet VVT sprocket wheels and the timing chain injection lubrication before engagement
Oil, guarantee engage everywhere it is smooth, reduce fever and abrasion, extend the service life of engine.
2. the mounting hole of the utility model atomizer is arranged on main oil gallery, avoid the need in addition opening up small oil leab
Be connected to atomizer, by main oil gallery directly to atomizer fuel feeding, reduce the manufacturing process of engine, to reduce engine at
This.
3. it is when being installed in the utility model that mistake proofing face is vertical with contact surface, it is actually peace with mistake proofing face and contact surface
Benchmark is filled, one side reference for installation is easy to be determining and easy for installation, on the other hand lubricating nozzle setting angle can be made accurate, to
The accuracy of spray for improving crankshaft sprocket spray orifice, being vented VVT sprocket wheels spray orifice and air inlet VVT sprocket wheel spray orifices.
Description of the drawings
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments：
Fig. 1 is the overall structure diagram of the utility model atomizer.
Fig. 2 is sectional views of the Fig. 1 in the directions A-A.
Fig. 3 is sectional views of the Fig. 1 in the directions B-B.
Fig. 4 is the schematic diagram of the utility model atomizer installation on the engine.
Label in above-mentioned figure is respectively：1, lubricating nozzle；2, mistake proofing face；3, oil input channel；4, crankshaft sprocket spray orifice；41,
Axis I；5, VVT sprocket wheel spray orifices are vented；51, axis II；6, air inlet VVT sprocket wheels spray orifice；61, axis III；7, engine cylinder body；8,
Crankshaft sprocket；9, injection direction I；10, timing chain；11, mounting hole；12, injection direction II；13, injection direction III；14, it sends out
Motivation cylinder cap；15, VVT sprocket wheels are vented；16, air inlet VVT sprocket wheels；17, main oil gallery；18, contact surface；19, sealant.
Specific implementation mode
In the present invention, it is to be understood that term " length ", " width ", "upper", "lower", "front", "rear",
"left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " clockwise ", " counterclockwise ", " axial direction ", " radial direction ",
The orientation or positional relationship of instructions such as " circumferential directions " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description originally
Utility model and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with specific
Azimuth configuration and operation, therefore should not be understood as limiting the present invention.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of timing chain lubrication system includes lubricating nozzle 1 and is lubricated for installing
The mounting hole 11 of nozzle 1, lubricating nozzle 1 are equipped with the oil input channel 3 being connected to fuel feeding oil duct, for moistening for the injection of crankshaft sprocket 8
The crankshaft sprocket spray orifice 4 of lubricating oil, for for exhaust VVT sprocket wheels 15 spray lubricating oil exhaust VVT sprocket wheels spray orifice 5 and for for into
Gas VVT sprocket wheels 16 spray the air inlet VVT sprocket wheels spray orifice 6 of lubricating oil, crankshaft sprocket spray orifice 4, exhaust VVT sprocket wheels spray orifice 5 and air inlet
VVT sprocket wheels spray orifice 6 is penetrated through with oil input channel 3.Be arranged on atomizer crankshaft sprocket spray orifice 4, exhaust VVT sprocket wheels spray orifice 5 and into
6 three spray orifices of gas VVT sprocket wheels spray orifice are, it can be achieved that simultaneously to crankshaft sprocket 8, exhaust VVT sprocket wheels 15, the air inlet VVT chains before engagement
Wheel 16 and timing chain 10 spray lubricating oil, guarantee engage everywhere it is smooth, reduce fever and abrasion, extend engine use the longevity
Life.
Preferably, the axis I 41 of crankshaft sprocket spray orifice 4, the axis II 51 of exhaust VVT sprocket wheels spray orifice 5, air inlet VVT sprocket wheels
III 61 three of axis of spray orifice 6 is intersected, and axis I 41, axis II 51, III 61 three of axis intersection point fall the axis in oil input channel 3
The heart, i.e., three spray-holes are on the same cross section of oil input channel 3.This design can guarantee the oil of oil input channel 3 with identical oil pressure
It is ejected from crankshaft sprocket spray orifice 4, exhaust VVT sprocket wheels spray orifice 5 and air inlet VVT sprocket wheels spray orifice 6, it is ensured that each spray orifice can
There is lubricating oil to spray and spray in place, avoids the occurrence of since oil pressure deficiency leads to some spray orifice not oil spout or sprays not in place show
As.
Above-mentioned mounting hole 11 is arranged on the main oil gallery 17 of timing system, and lubricating nozzle 1 is plugged in mounting hole 11, oil inlet
Road 3 is connected to main oil gallery 17.First, lubricating oil enters oil input channel 3 by main oil gallery 17, then, through crankshaft sprocket spray orifice 4 to bent axle
Sprocket wheel 8 and timing chain 10 spray lubricating oil, are sprayed to exhaust VVT sprocket wheels 15 and timing chain 10 through being vented VVT sprocket wheels spray orifice 5
Lubricating oil sprays lubricating oil through air inlet VVT sprocket wheels spray orifice 6 to air inlet VVT sprocket wheels 16 and timing chain 10.Mounting hole 11 is arranged
On main oil gallery 17, lubricating nozzle 1 is made directly to be connected to main oil gallery 17, avoids the need in addition opening up small oil leab and lubrication
Atomizer 1 be connected to, by main oil gallery directly to atomizer fuel feeding, reduce the manufacturing process of engine, to reduce engine at
This.
Preferably, being equipped between lubricating nozzle 1 and mounting hole 11 prevents the sealant 19 of oil leak, not only can to avoid
When lubricating fuel spray nozzle 1 is mounted on mounting hole 11, the lubricating oil in main oil gallery 17 flows between lubricating fuel spray nozzle 1 and mounting hole 11
Go out, while can also avoid moistening since the leakage of lubricating oil causes the oil pressure of main oil gallery 17 insufficient, occur each spray-hole injection less than
The phenomenon that position.
The mistake proofing face 2 of setup error that prevents is additionally provided on above-mentioned lubricating nozzle 1, the mistake proofing face 2 is to be arranged in lubricating nozzle 1
On the face of scabbling.To make lubricating nozzle 1 meet intensity requirement, far from crankshaft sprocket spray orifice 4, exhaust VVT chains on lubricating nozzle 1
The face of scabbling, that is, mistake proofing face 2 is arranged in the side for taking turns spray orifice 5 and air inlet VVT sprocket wheels spray orifice 6, and such design can be to avoid lubricating nozzle
There is weak structure in 1 portion, can prevent that lubricating nozzle 1 is caused to damage because oil pressure is excessively high.
When above-mentioned lubricating nozzle 1 is mounted in mounting hole 11, mistake proofing face 2 and engine cylinder body 7 and engine cylinder cover 14
Contact surface 18 is vertical, and it is reference for installation, one side reference for installation that this design method, which is actually with mistake proofing face 2 and contact surface 18,
It is easy to be determining and easy for installation, 1 setting angle of lubricating nozzle on the other hand can be made accurate, to improve crankshaft sprocket spray orifice 4, row
The accuracy of spray of gas VVT sprocket wheels spray orifice 5 and air inlet VVT sprocket wheels spray orifice 6.
To improve the accuracy of spray of crankshaft sprocket spray orifice 4, exhaust VVT sprocket wheels spray orifice 5 and air inlet VVT sprocket wheels spray orifice 6, design
Key be to determine the opposite position of crankshaft sprocket spray orifice 4, exhaust VVT sprocket wheels spray orifice 5 and air inlet VVT sprocket wheels spray orifice 6 and mistake proofing face 2
It sets, so in design, to determine crankshaft sprocket spray orifice 4, exhaust VVT sprocket wheels spray orifice 5 and air inlet VVT sprocket wheels spray orifice 6 and mistake proofing
The relative position in face 2 is that starting point calculates counterclockwise with mistake proofing face 2, and the angle between crankshaft sprocket spray orifice 4 and mistake proofing face 2 is folder
Angle α, the angle between exhaust VVT sprocket wheels spray orifice 5 and mistake proofing face 2 is angle β, between air inlet VVT sprocket wheels spray orifice 6 and mistake proofing face 2
Angle be angle γ.In the present invention, angle α is 30 °, angle β is 170 ° and angle γ is 200 °.
Obviously, the engine of model is not had to, crankshaft sprocket 8, exhaust VVT sprocket wheels 15 and air inlet VVT sprocket wheels 16 are in engine
On installation site do not uniquely determine, so the angle value of angle α, angle β and angle γ according to crankshaft sprocket 8, exhaust
The installation site of VVT sprocket wheels 15 and air inlet VVT sprocket wheels 16 on the engine determines.To above-mentioned angle α, angle β and angle γ
Angle value when being designed, it is necessary to meet following condition：
1, the one of engagement place the lubricating oil sprayed by crankshaft sprocket spray orifice 4 sprays to crankshaft sprocket 8 and timing chain 10
Side, specially crankshaft sprocket spray orifice 4 make two to the 8 continual injection lubricating oil of timing chain 10 and crankshaft sprocket before engagement
Person's lubrication is fully unlikely to fever or friction damage, as shown in figure 4, crankshaft sprocket spray orifice 4 is to crankshaft sprocket 8 and timing chain
The injection direction I 9 of 10 injection lubricating oil；
2, it is engaged by being vented the lubricating oil that VVT sprocket wheels spray orifice 5 sprays sprays to exhaust VVT sprocket wheels 15 with timing chain 10
The side at place is specially vented VVT sprocket wheels spray orifice 5 to the 15 continual spray of timing chain 10 and exhaust VVT sprocket wheels before engagement
Lubricating oil is penetrated, the two lubrication is made fully to be unlikely to fever or friction damage, as shown in figure 4, being vented VVT sprocket wheels spray orifice 5 to row
Gas VVT sprocket wheels 15 and timing chain 10 spray the injection direction II 12 of lubricating oil；
3, the lubricating oil sprayed by air inlet VVT sprocket wheels spray orifice 6 engages spraying to air inlet VVT sprocket wheels 16 and timing chain 10
The side at place, specially air inlet VVT sprocket wheels spray orifice 6 are to the 16 continual spray of timing chain 10 and air inlet VVT sprocket wheels before engagement
Penetrate lubricating oil, lubrication both made fully to be unlikely to fever or friction damage, as shown in figure 4, air inlet VVT sprocket wheels spray orifice 6 into
Gas VVT sprocket wheels 16 and timing chain 10 spray the injection direction III 13 of lubricating oil.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, if the improvement of the various unsubstantialities of technical solutions of the utility model progress is used, or without changing
Directly apply to other occasions by the design of the utility model and technical solution, the scope of protection of the utility model it
It is interior.
Claims (10)
1. a kind of timing chain lubrication system, it is characterised in that：Including lubricating nozzle (1) and for installing lubricating nozzle (1)
Mounting hole (11), the lubricating nozzle (1) are equipped with the oil input channel (3) being connected to fuel feeding oil duct, for being sprayed for crankshaft sprocket (8)
Crankshaft sprocket spray orifice (4), the exhaust VVT sprocket wheels spray orifice (5) for spraying lubricating oil for exhaust VVT sprocket wheels (15) for penetrating lubricating oil
With the air inlet VVT sprocket wheels spray orifice (6) for spraying lubricating oil for air inlet VVT sprocket wheels (16), the crankshaft sprocket spray orifice (4), row
Gas VVT sprocket wheels spray orifice (5) and air inlet VVT sprocket wheels spray orifice (6) are penetrated through with the oil input channel (3).
2. a kind of timing chain lubrication system as described in claim 1, it is characterised in that：The mounting hole (11) is arranged just
When system main oil gallery (17) on, the lubricating nozzle (1) is plugged in mounting hole (11), the oil input channel (3) and main oil gallery
(17) it is connected to.
3. a kind of timing chain lubrication system as described in claim 1, it is characterised in that：The crankshaft sprocket spray orifice (4)
Axis I (41), it is described exhaust VVT sprocket wheels spray orifice (5) axis II (51), the air inlet VVT sprocket wheels spray orifice (6) axis III
(61) three intersect, and the axis I (41), axis II (51), axis III (61) three intersection point fall in the oil input channel (3)
Axle center.
4. a kind of timing chain lubrication system as described in claims 1 to 3 any one, it is characterised in that：In the lubrication
Nozzle (1) is equipped with the mistake proofing face (2) for preventing setup error.
5. a kind of timing chain lubrication system as claimed in claim 4, it is characterised in that：The mistake proofing face (2) is that setting exists
The face of scabbling on the lubricating nozzle (1), far from the crankshaft sprocket spray orifice (4), exhaust VVT on the lubricating nozzle (1)
The face of scabbling is arranged in the side of sprocket wheel spray orifice (5) and air inlet VVT sprocket wheels spray orifice (6).
6. a kind of timing chain lubrication system as claimed in claim 5, it is characterised in that：The lubricating nozzle (1) is mounted on
When the mounting hole (11) is interior, the mistake proofing face (2) is hung down with engine cylinder body (7) and the contact surface (18) of engine cylinder cover (14)
Directly.
7. a kind of timing chain lubrication system as claimed in claim 4, it is characterised in that：With the mistake proofing face (2) for starting point
It calculates counterclockwise, the angle between the crankshaft sprocket spray orifice (4) and the mistake proofing face (2) is angle α, the exhaust VVT chains
The angle taken turns between spray orifice (5) and the mistake proofing face (2) is angle β, the air inlet VVT sprocket wheels spray orifice (6) and the mistake proofing face
(2) angle between is angle γ.
8. a kind of timing chain lubrication system as claimed in claim 7, it is characterised in that：The angle α, the angle β and
The angle value of the angle γ is according to the crankshaft sprocket (8), the exhaust VVT sprocket wheels (15) and the air inlet VVT sprocket wheels
(16) installation site on the engine determines.
9. a kind of timing chain lubrication system as claimed in claim 8, it is characterised in that：By the crankshaft sprocket spray orifice (4)
The lubricating oil of injection sprays to the side that the crankshaft sprocket (8) starts engagement place with timing chain (10), by the exhaust VVT chains
The lubricating oil that wheel spray orifice (5) sprays sprays to the side that the exhaust VVT sprocket wheels (15) start engagement place with timing chain (10), by
The lubricating oil of air inlet VVT sprocket wheels spray orifice (6) injection sprays to the air inlet VVT sprocket wheels (16) and starts to nibble with timing chain (10)
Side at conjunction.
10. a kind of timing chain lubrication system as claimed in claim 1 or 2, it is characterised in that：The lubricating nozzle (1) with
Being equipped between the mounting hole (11) prevents the sealant (19) of oil leak.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820221916.3U CN208024422U (en) | 2018-02-08 | 2018-02-08 | A kind of timing chain lubrication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820221916.3U CN208024422U (en) | 2018-02-08 | 2018-02-08 | A kind of timing chain lubrication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208024422U true CN208024422U (en) | 2018-10-30 |
Family
ID=63904015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820221916.3U Active CN208024422U (en) | 2018-02-08 | 2018-02-08 | A kind of timing chain lubrication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208024422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020002791A (en) * | 2018-06-25 | 2020-01-09 | トヨタ自動車株式会社 | Internal combustion engine |
-
2018
- 2018-02-08 CN CN201820221916.3U patent/CN208024422U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020002791A (en) * | 2018-06-25 | 2020-01-09 | トヨタ自動車株式会社 | Internal combustion engine |
| JP7107020B2 (en) | 2018-06-25 | 2022-07-27 | トヨタ自動車株式会社 | internal combustion engine |
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