CN207920725U - Directly jetting gasoline engine cylinder head oil channel structure - Google Patents
Directly jetting gasoline engine cylinder head oil channel structure Download PDFInfo
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- CN207920725U CN207920725U CN201820049264.XU CN201820049264U CN207920725U CN 207920725 U CN207920725 U CN 207920725U CN 201820049264 U CN201820049264 U CN 201820049264U CN 207920725 U CN207920725 U CN 207920725U
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- Valve-Gear Or Valve Arrangements (AREA)
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Abstract
The utility model discloses a kind of directly jetting gasoline engine cylinder head oil channel structures, including oil duct on cylinder head oil inlet, exhaust side, oil duct, exhaust side main oil gallery, air inlet side main oil gallery in air inlet side, one end of oil duct is connected to cylinder head oil inlet in oil duct and air inlet side on exhaust side；The other end of oil duct is connected to by exhaust side oil-passage inlet with exhaust side main oil gallery on exhaust side, and the other end of oil duct is connected to air inlet side main oil gallery in air inlet side, and lubrication and cooling to hydraulic tappet are realized with this.High-pressure oil pump cam is lubricated and cools down by the way that high-pressure oil pump nozzle is arranged in exhaust side main oil gallery end, and oil duct in valve mechanism cover is set in the bypass of oil duct on the exhaust side and lubricates and cool down valve mechanism cover so that the valve mechanism cover that entire cylinder head oil duct can meet hydraulic tappet, high-pressure oil pump cam and integrated camshaft support simultaneously provides lubrication and cooling function.
Description
Technical field
The utility model is related to technical field of automobile engine, in particular to a kind of directly jetting gasoline engine cylinder head oil duct knot
Structure.
Background technology
Upgrading is continuously improved with automobile engine technology, it is gradually general using technologies such as hydraulic tappet, high-pressure oil pumps
Time, recently as the application of the valve mechanism cover technology of integrated camshaft support so that lubrication work(of the engine to cylinder head oil duct
More stringent requirements are proposed for energy.In addition directly jetting gasoline engine requires the atomization quality of engine injection system very high, and camshaft is straight
It connects and the high-pressure oil pump installed in cylinder head is driven to provide injection pressure, when engine speed is very high, high-pressure oil pump cam
Rotating speed is higher, and high-pressure oil pump cam and high-pressure oil pump plunger operating temperature can be caused higher, be easy to cause high-pressure oil pump cam and
High-pressure oil pump plunger inordinate wear needs cylinder head oil duct to provide lubrication and refrigerating function to high-pressure oil pump cam.Current gas
Oil cylinder head way structure is lubricated and cools down primarily directed to the hydraulic tappet of air inlet side and exhaust side, and high-pressure oil pump cam and
The oil leab and cylinder head oil duct of the valve mechanism cover of integrated camshaft support are scattering device so that entire engine lubrication
Oil channel structure is not compact enough, and space structure utilization rate is not high.
Utility model content
The purpose of this utility model seeks to overcome above-mentioned the shortcomings of the prior art, provides a kind of directly jetting gasoline engine gas
Oil cylinder head way structure, realize to the valve mechanism cover of hydraulic tappet, high-pressure oil pump cam and integrated camshaft support provide lubrication and
Cooling function.
To achieve the above object, the utility model devises a kind of directly jetting gasoline engine cylinder head oil channel structure, including cylinder
Oil duct on lid oil inlet, exhaust side, oil duct, exhaust side main oil gallery, air inlet side main oil gallery in air inlet side, the cylinder head oil duct knot
Structure is respectively positioned in cylinder head and valve mechanism cover, on the exhaust side in oil duct and air inlet side one end of oil duct with cylinder head oil inlet
Mouth connection；The other end of oil duct is connected to by exhaust side oil-passage inlet with exhaust side main oil gallery on the exhaust side, the air inlet
The other end of oil duct is connected to air inlet side main oil gallery on side, further includes that high-pressure oil pump oil spout and valve mechanism cover oil, the height
Pressure oil Unit injector is located at the end of exhaust side main oil gallery；Oil duct is located in valve mechanism cover in the valve mechanism cover, passes through cylinder
Housing oil inlet is connected to oil duct on exhaust side.
Further, the valve mechanism cover oil inlet is located at the front end of exhaust side oil-passage inlet, and the exhaust side oil duct enters
Mouth is the duct that one section of diameter is shunk.In this way, on exhaust side oil duct after valve mechanism cover oil inlet pressure can reduce, and arrange
Gas side oil-passage inlet improves the oil pressure of exhaust side oil duct.
Further, the exhaust side main oil gallery and air inlet side main oil gallery are parallel to each other；The exhaust side main oil gallery bypass
It is equipped with exhaust side hydraulic lash adjuster mounting hole, the air inlet side main oil gallery bypass is equipped with air inlet side hydraulic lash and adjusts
Device mounting hole.In this way, being lubricated to hydraulic tappet by hydraulic lash adjuster mounting hole.
Further, the high-pressure oil pump nozzle is the intermediate straight pin for being equipped with oil spit hole；The high-pressure oil pump nozzle
It is equipped with high-pressure oil pump mounting hole by the exhaust side of cylinder head, high-pressure oil pump cam is installed in the high-pressure oil pump mounting hole；Institute
High-pressure oil pump cam is stated to be located within the spray regime of high-pressure oil pump nozzle.In this way, the splashing by high-pressure oil pump nozzle lubricates
High-pressure oil pump cam is lubricated and is cooled down.
Further, oil duct is in T fonts in the valve mechanism cover, has multiple oil outlets on oil duct.In this way so that cylinder
Oil duct is more uniform to the lubrication of valve mechanism cover on housing.
The utility model has the beneficial effects that：By the way that high-pressure oil pump nozzle, Yi Ji is arranged in exhaust side main oil gallery end
Oil duct in valve mechanism cover is set on exhaust side in the bypass of oil duct so that entire cylinder head oil duct can meet simultaneously hydraulic tappet,
The valve mechanism cover of high-pressure oil pump cam and integrated camshaft support provides lubrication and cooling function so that cylinder head oil channel structure
Compacter, the utilization of space structure is more efficient.
Description of the drawings
Fig. 1 is cylinder head oil duct overall structure front view.
Fig. 2 is cylinder head oil duct overall structure side view.
Fig. 3 is cylinder head oil duct fractionation structural representation.
Fig. 4 is exhaust side line entrance section partial enlarged view.
Fig. 5 is high-pressure oil pump nozzle cross-section partial enlarged view.
Each part numbers are as follows in figure：Cylinder head 1, cylinder head oil inlet 1.1, oil duct 1.2.1 on exhaust side, in air inlet side
Between oil duct 1.2.2, exhaust side oil-passage inlet 1.3, exhaust side main oil gallery 1.4.1, air inlet side main oil gallery 1.4.2, exhaust side hydraulic pressure
Gap adjuster mounting hole 1.5.1, air inlet side hydraulic lash adjuster mounting hole 1.5.2, high-pressure oil pump nozzle 1.6, high-pressure oil pump
Mounting hole 1.7, valve mechanism cover 2, valve mechanism cover oil inlet 2.1, oil duct 2.2, high-pressure oil pump cam 3 in valve mechanism cover.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings, convenient for more clearly understanding that this practicality is new
Type, but they do not constitute the utility model and limit.
As shown in Fig. 1~5, a kind of directly jetting gasoline engine cylinder head oil channel structure includes cylinder head in cylinder head 1 into
Oil duct 1.2.1 on hydraulic fluid port 1.1, exhaust side, oil duct 1.2.2, exhaust side main oil gallery 1.4.1 and air inlet side main oil gallery in air inlet side
1.4.2；It further include the valve mechanism cover oil inlet 2.1 being located in valve mechanism cover 2, oil duct 2.2 in valve mechanism cover.
Lubricating oil from cylinder head oil inlet 1.1 enter entire cylinder head oil duct in, cylinder head oil inlet 1.1 simultaneously with exhaust
Oil duct 1.2.1 is connected to one end of oil duct 1.2.2 in air inlet side on side；The other end of oil duct 1.2.1 passes through exhaust on exhaust side
Side oil-passage inlet 1.3 is connected to exhaust side main oil gallery 1.4.1, the other end of oil duct 1.2.2 and air inlet side main oil gallery in air inlet side
1.4.2 it is connected to, exhaust side main oil gallery 1.4.1 and air inlet side main oil gallery 1.4.2 are disposed in parallel relation to one another.
Exhaust side hydraulic lash adjuster mounting hole 1.5.1 is equipped in the bypass of exhaust side main oil gallery 1.4.1, in air inlet
Side main oil gallery 1.4.2 bypasses are equipped with air inlet side hydraulic lash adjuster mounting hole 1.5.2, are adjusted by the hydraulic lash of both sides
Device mounting hole can be lubricated and cool down to the hydraulic tappet of both sides.
High-pressure oil pump nozzle 1.6 is installed in the end of exhaust side main oil gallery 1.4.1, high-pressure oil pump nozzle 1.6 is centre
Straight pin equipped with oil spit hole；It is equipped with high-pressure oil pump mounting hole 1.7 by the exhaust side of cylinder head 1 in high-pressure oil pump nozzle 1.6,
High-pressure oil pump cam 3 is installed in high-pressure oil pump mounting hole 1.7；The lubricating oil that high-pressure oil pump nozzle 1.6 sprays obliquely passes through
Parabolic path can just be fallen on the high-pressure oil pump cam 3 in high-pressure oil pump mounting hole 1.7, high-pressure oil pump nozzle 1.6
High-pressure oil pump cam 3 is lubricated and is cooled down by way of splashing and lubricating.
The intermediate position of oil duct 1.2.1 is equipped with valve mechanism cover oil inlet 2.1, valve mechanism cover oil inlet 2.1 on the exhaust side
Positioned at the front end of exhaust side oil-passage inlet 1.3, lubricating oil can cause to enter exhaust side oil after flowing through valve mechanism cover oil inlet 2.1
The oil pressure of road entrance 1.3 reduces, and exhaust side oil-passage inlet 1.3 is the trapezoidal duct that one end mid diameter is shunk, and can be carried in this way
Height enters the oil pressure of exhaust side main oil gallery 1.4.1；Valve mechanism cover oil inlet 2.1 is connected to oil duct in valve mechanism cover 2.2, cylinder head
Oil duct 2.2 is in T fonts on cover, has multiple oil outlets on oil duct, and equably lubrication and cooling can be carried out to valve mechanism cover 2.
Claims (5)
1. oil duct (1.2.1) on a kind of directly jetting gasoline engine cylinder head oil channel structure, including cylinder head oil inlet (1.1), exhaust side,
Oil duct (1.2.2), exhaust side main oil gallery (1.4.1), air inlet side main oil gallery (1.4.2) in air inlet side, oil duct on the exhaust side
One end of oil duct (1.2.2) is connected to cylinder head oil inlet (1.1) in (1.2.1) and air inlet side；Oil duct on the exhaust side
The other end of (1.2.1) is connected to by exhaust side oil-passage inlet (1.3) with exhaust side main oil gallery (1.4.1), in the air inlet side
The other end of oil duct (1.2.2) is connected to air inlet side main oil gallery (1.4.2), it is characterised in that：It further include high-pressure oil pump nozzle
(1.6) it oils (2.2) with valve mechanism cover, the high-pressure oil pump nozzle (1.6) is located at the end of exhaust side main oil gallery (1.4.1)
End；Oil duct (2.2) is located in valve mechanism cover (2) in the valve mechanism cover；It passes through valve mechanism cover oil inlet (2.1) and exhaust side
Upper oil duct (1.2.1) connection.
2. directly jetting gasoline engine cylinder head oil channel structure according to claim 1, it is characterised in that：The valve mechanism cover oil inlet
Mouth (2.1) is located at the front end of exhaust side oil-passage inlet (1.3), and the exhaust side oil-passage inlet (1.3) is what one section of diameter was shunk
Duct.
3. directly jetting gasoline engine cylinder head oil channel structure according to claim 1, it is characterised in that：The exhaust side main oil gallery
(1.4.1) and air inlet side main oil gallery (1.4.2) are parallel to each other；Exhaust side main oil gallery (1.4.1) bypass is equipped with exhaust side
Hydraulic lash adjuster mounting hole (1.5.1), air inlet side main oil gallery (1.4.2) bypass are equipped with air inlet side hydraulic lash tune
Save device mounting hole (1.5.2).
4. directly jetting gasoline engine cylinder head oil channel structure according to claim 1, it is characterised in that：The high-pressure oil pump nozzle
(1.6) it is the intermediate straight pin for being equipped with oil spit hole；The high-pressure oil pump nozzle (1.6) is equipped with by the exhaust side of cylinder head (1)
High-pressure oil pump mounting hole (1.7), the high-pressure oil pump mounting hole (1.7) is interior to be equipped with high-pressure oil pump cam (3), the high pressure oil
Pump cam (3) is located within the spray regime of high-pressure oil pump nozzle (1.6).
5. directly jetting gasoline engine cylinder head oil channel structure according to claim 1, it is characterised in that：The valve mechanism cover oils
Road (2.2) is T-shaped, there is multiple oil outlets on oil duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820049264.XU CN207920725U (en) | 2018-01-12 | 2018-01-12 | Directly jetting gasoline engine cylinder head oil channel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820049264.XU CN207920725U (en) | 2018-01-12 | 2018-01-12 | Directly jetting gasoline engine cylinder head oil channel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207920725U true CN207920725U (en) | 2018-09-28 |
Family
ID=63616467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820049264.XU Active CN207920725U (en) | 2018-01-12 | 2018-01-12 | Directly jetting gasoline engine cylinder head oil channel structure |
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| Country | Link |
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| CN (1) | CN207920725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115247600A (en) * | 2022-03-02 | 2022-10-28 | 长城汽车股份有限公司 | Engine and vehicle |
-
2018
- 2018-01-12 CN CN201820049264.XU patent/CN207920725U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115247600A (en) * | 2022-03-02 | 2022-10-28 | 长城汽车股份有限公司 | Engine and vehicle |
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