CN216691274U - Cylinder head oil circuit structure and automobile engine - Google Patents
Cylinder head oil circuit structure and automobile engine Download PDFInfo
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- CN216691274U CN216691274U CN202220226169.9U CN202220226169U CN216691274U CN 216691274 U CN216691274 U CN 216691274U CN 202220226169 U CN202220226169 U CN 202220226169U CN 216691274 U CN216691274 U CN 216691274U
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- 239000003921 oil Substances 0.000 claims abstract description 359
- 239000010687 lubricating oil Substances 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000003754 machining Methods 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model provides a cylinder cover oil way structure and an automobile engine, wherein the oil way structure comprises a vertical main oil way, a transverse main oil way and a VVT oil way, and the VVT oil way forms an oil way through a precast oil groove; the transverse main oil gallery comprises an exhaust transverse main oil gallery and an intake transverse main oil gallery, and the exhaust transverse main oil gallery and the intake transverse main oil gallery are arranged on the cylinder cover side by side along the horizontal direction; the vertical main oil passage is arranged on the cylinder cover in the vertical direction and is communicated with one end of the VVT oil passage, so that the VVT oil passage can provide lubricating oil for the VVT mechanism; the VVT oil way is also respectively communicated with the exhaust transverse main oil channel and the intake transverse main oil channel, so that the transmission of lubricating oil is realized; the vertical main oil duct is also communicated with a main oil supply duct of the cylinder cover so as to receive high-pressure lubricating oil from the oil pump; by adopting the scheme, the oil way of the whole cylinder cover is uniformly distributed, the trend is simple, the implementation is easy, and the cost of machining and sealing elements can be effectively reduced.
Description
Technical Field
The utility model belongs to the technical field of cylinder cover oil way structures, and particularly relates to an automobile engine with a cylinder cover oil way structure.
Background
With the pursuit of higher combustion efficiency and lower oil consumption of automobile engines, Variable Valve Timing (VVT) mechanisms, hydraulic tappets, and roller rocker arm mechanisms are widely used; because the use of VVT mechanism, hydraulic tappet and roller rocking arm needs to arrange corresponding lubricated oil circuit on the cylinder head, and the cylinder head still need provide the lubrication for the camshaft axle journal simultaneously, consequently how to arrange oil circuit structure rationally on the cylinder head, becomes a main problem in the cylinder head design process.
Based on the technical problems in the design of the cylinder cover oil way, no relevant solution is provided; there is therefore a pressing need to find effective solutions to the above problems.
Disclosure of Invention
The utility model aims to provide an automobile engine with a cylinder cover oil way structure aiming at overcoming the defects in the prior art, and aims to solve the problem of the existing cylinder cover oil way design.
The utility model provides an oil way structure of a cylinder cover, which comprises a vertical main oil way, a horizontal main oil way and a VVT oil way, wherein the VVT oil way forms an oil way through a precast oil groove; the transverse main oil gallery comprises an exhaust transverse main oil gallery and an intake transverse main oil gallery, and the exhaust transverse main oil gallery and the intake transverse main oil gallery are arranged on the cylinder cover side by side along the horizontal direction; the vertical main oil passage is arranged on the cylinder cover in the vertical direction and is communicated with one end of the VVT oil passage, so that the VVT oil passage can provide lubricating oil for the VVT mechanism; the VVT oil way is also respectively communicated with the exhaust transverse main oil passage and the intake transverse main oil passage, so that the transmission of lubricating oil is realized; the vertical main oil gallery is also communicated with a main oil supply gallery of the cylinder cover so as to receive high-pressure lubricating oil from the oil pump.
Further, the oil circuit structure further comprises an exhaust camshaft oil circuit, and the exhaust camshaft oil circuits are respectively communicated with the exhaust transverse main oil channel, so that lubricating oil is respectively and independently provided for the exhaust camshafts.
Further, the oil circuit structure still includes the camshaft oil circuit of admitting air, and a plurality of camshafts oil circuits of admitting air communicate with the horizontal main oil gallery of admitting air respectively to respectively provide lubricating oil for each camshaft of admitting air alone.
Furthermore, the oil path structure further comprises exhaust hydraulic tappet oil paths, and the exhaust hydraulic tappet oil paths are respectively communicated with the exhaust transverse main oil path, so that lubricating oil is respectively and independently provided for each exhaust hydraulic tappet.
Further, the oil path structure further comprises air inlet hydraulic tappet oil paths, and the air inlet hydraulic tappet oil paths are respectively communicated with the air inlet transverse main oil path, so that lubricating oil is respectively and independently provided for each air inlet hydraulic tappet.
Furthermore, the oil way structure also comprises high-pressure oil pump oil which is communicated with the air inlet transverse main oil duct, so that lubricating oil is provided for the high-pressure oil pump.
Furthermore, the VVT oil path comprises a bearing cover lower cover oil groove, a bearing cover upper cover oil groove and a connecting oil groove; the bearing cover lower cover oil groove is arranged at one end of the connecting oil groove and is communicated with the connecting oil groove; the bearing cover upper cover oil groove is arranged at the other end of the connecting oil groove and is communicated with the connecting oil groove; the bearing cover lower cover oil groove is communicated with the vertical main oil gallery through a vertical oil receiving pipe, and is also communicated with the exhaust transverse main oil gallery through a first transverse oil receiving pipe; and the oil groove of the upper cover of the bearing cover is communicated with the air inlet transverse main oil duct through a second transverse oil receiving pipe.
Further, the vertical main oil duct is an oblique oil supply oil duct, and the upper end of the oblique oil supply oil duct is communicated with a first transverse oil receiving pipe at the lower end of an oil groove of a lower cover of the bearing cover through an upper oil hole; the first transverse oil receiving pipe is arranged at the lower end of an oil groove of the upper cover of the bearing cover and is communicated with the air inlet transverse main oil duct.
Further, the high-pressure oil pump oil comprises a first oblique oil passage and a second oblique oil passage, one end of the first oblique oil passage is communicated with the air inlet transverse main oil passage, the other end of the first oblique oil passage is communicated with the high-pressure oil pump, one end of the second oblique oil passage is communicated with the first oblique oil passage, and the other end of the second oblique oil passage is communicated with the high-pressure oil pump.
Correspondingly, the utility model further provides an automobile engine which comprises a cylinder cover, wherein an oil way structure is arranged on the cylinder cover, and the oil way structure is the cylinder cover oil way structure.
The automobile engine with the cylinder cover oil way structure provided by the utility model has the advantages that the oil way of the whole cylinder cover is uniformly distributed, the trend is simple and the implementation is easy; the oil passage is formed during the casting of the zero component, so that the machining of the zero component and the use of a sealing piece are reduced, and the zero component casting machine has the advantages of simple structure, low cost and simple machining.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model will be further explained with reference to the drawings, in which:
FIG. 1 is a schematic view of an oil passage structure of a cylinder head according to the present invention;
FIG. 2 is a schematic layout view of an oil circuit structure of a cylinder head according to the present invention;
FIG. 3 is a schematic view of the VVT oil passage of the present invention.
In the figure: 1. a vertical main oil gallery; 2. an exhaust transverse main oil gallery; 3. an intake transverse main oil gallery; 4. a VVT oil passage; 41. an oil groove is formed in the lower cover of the bearing cover; 42. an oil groove is arranged on the bearing cover; 43. connecting the oil groove; 44. vertically connecting an oil pipe; 45. a first transverse oil receiving pipe; 46. a second transverse oil receiving pipe; 5. an exhaust camshaft oil circuit; 6. an intake camshaft oil circuit; 7. an exhaust hydraulic tappet oil path; 8. an air intake hydraulic tappet oil path; 9. high pressure oil pumps oil.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not limit the utility model.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 3, the present invention provides a cylinder head oil path structure, in particular to a cylinder head oil path structure on an automobile engine; the oil way structure comprises a vertical main oil way 1, a transverse main oil way and a VVT oil way 4, wherein the VVT oil way 4 forms an oil way through a precast oil groove, and the vertical main oil way 1 is communicated with the transverse main oil way through the VVT oil way 4; the transverse main oil gallery comprises an exhaust transverse main oil gallery 2 and an intake transverse main oil gallery 3, and the exhaust transverse main oil gallery 2 and the intake transverse main oil gallery 3 are arranged on a cylinder cover side by side along the horizontal direction; the vertical main oil duct 1 is arranged on the cylinder cover in the vertical direction and is communicated with one end of the VVT oil path 4, so that the VVT oil path 4 can provide lubricating oil for the VVT mechanism; the VVT oil way 4 is also respectively communicated with the exhaust transverse main oil way 2 and the intake transverse main oil way 3, so that the delivery of lubricating oil is realized; the vertical main oil gallery 1 is also communicated with a main oil supply gallery of the cylinder cover so as to receive high-pressure lubricating oil from the oil pump; by adopting the scheme, the oil way of the whole cylinder cover is uniformly distributed, and the trend is simple and easy to realize; according to the cylinder cover oil way structure provided by the utility model, the oil way is formed by precasting the oil groove, so that the cost of machining and sealing elements can be effectively reduced.
Preferably, in combination with the above, as shown in fig. 1 to 3, the oil path structure further includes an exhaust camshaft oil path 5, and the plurality of exhaust camshaft oil paths 5 are respectively communicated with the exhaust transverse main oil gallery 2, so that lubricating oil is respectively and individually supplied to the respective exhaust camshafts.
Preferably, in combination with the above scheme, as shown in fig. 1 to 3, the oil path structure further includes intake camshaft oil paths 6, and the plurality of intake camshaft oil paths 6 are respectively communicated with the intake transverse main oil gallery 3, so that lubricating oil is respectively and independently supplied to each intake camshaft.
Preferably, in combination with the above scheme, as shown in fig. 1 to 3, the oil path structure further includes an exhaust hydraulic tappet oil path 7, and the plurality of exhaust hydraulic tappet oil paths 7 are respectively communicated with the exhaust transverse main oil path 2, so that lubricating oil is respectively and independently provided for each exhaust hydraulic tappet.
Preferably, in combination with the above scheme, as shown in fig. 1 to 3, the oil path structure further includes an intake hydraulic tappet oil path 8, and the intake hydraulic tappet oil paths 8 are respectively communicated with the intake transverse main oil path 3, so as to respectively and independently provide lubricating oil to each intake hydraulic tappet.
Preferably, in combination with the above scheme, as shown in fig. 1 to 3, the oil path structure further includes a high-pressure oil pump oil 9, and the high-pressure oil pump oil 9 is communicated with the intake transverse main oil gallery 3 so as to provide lubricating oil to the high-pressure oil pump.
Preferably, in combination with the above scheme, as shown in fig. 1 to 3, the VVT oil passage 4 includes a bearing cover lower cover oil groove 41, a bearing cover upper cover oil groove 42, and a connecting oil groove 43; the bearing cover lower cover oil groove 41 is arranged at one end of the connecting oil groove 43 and is communicated with the connecting oil groove 43; the bearing cover upper cover oil groove 42 is arranged at the other end of the connecting oil groove 43 and is communicated with the connecting oil groove 43; the bearing cover lower cover oil groove 41 is communicated with the vertical main oil gallery 1 through a vertical oil receiving pipe 44, and the bearing cover lower cover oil groove 41 is also communicated with the exhaust transverse main oil gallery 2 through a first transverse oil receiving pipe 45; the bearing cover upper cover oil groove 42 is communicated with the air inlet transverse main oil gallery 3 through a second transverse oil receiving pipe 46; by adopting the scheme, the VVT oil way 4 is communicated with the vertical main oil gallery 1 through the vertical oil receiving pipe 44 at the lower end of the bearing cover lower cover oil groove 41, and is respectively communicated with the exhaust transverse main oil gallery 2 and the intake transverse main oil gallery 3 through the transverse oil receiving pipe at the lower end of the bearing cover upper cover oil groove 42, so that the lubricating oil of the vertical main oil gallery 1 is dispersed to the exhaust transverse main oil gallery 2 and the intake transverse main oil gallery 3 of the transverse main oil gallery, the machining difficulty of the bearing cover lower cover oil groove 41 and the bearing cover upper cover oil groove 42 is reduced, and the structure is simpler; specifically, the bearing cover lower cover oil groove 41 and the bearing cover upper cover oil groove 42 are respectively formed by casting, and are provided with oil drain holes, and are respectively communicated with the exhaust transverse main oil gallery 2 and the intake transverse main oil gallery 3 through the oil drain holes to realize oil supply; it is further noted that: oil channels are formed by precasting the oil grooves on the bearing cover lower cover oil groove 41, the bearing cover upper cover oil groove 42 and the connecting oil groove 43, and oil channel channels can be formed after the bearing cover lower cover oil groove, the bearing cover upper cover oil groove and the connecting oil groove are assembled to supply oil to the variable timing mechanism, so that the machining difficulty and the cost of parts are reduced, and the use of sealing elements is reduced.
Preferably, in combination with the above scheme, as shown in fig. 1 to 3, the vertical main oil gallery 1 is an oblique oil supply gallery, and the oblique oil supply gallery is a passage through which oil pump lubricating oil enters the cylinder head through the cylinder block; the upper end of the oblique oil supply passage is communicated with a first transverse oil receiving pipe 45 at the lower end of the bearing cover lower cover oil groove 41 through an upper oil hole; the first transverse oil receiving pipe 45 is disposed at the lower end of the bearing cover upper cover oil groove 42 and is communicated with the air intake transverse main oil gallery 3.
Preferably, in combination with the above scheme, as shown in fig. 1 to 3, the high-pressure oil pump oil 9 includes a first oblique oil passage and a second oblique oil passage, one end of the first oblique oil passage is communicated with the intake transverse main oil passage 3, the other end of the first oblique oil passage is communicated with the high-pressure oil pump, one end of the second oblique oil passage is communicated with the first oblique oil passage, and the other end of the second oblique oil passage is communicated with the high-pressure oil pump.
Correspondingly, with the combination of the above schemes, as shown in fig. 1 to 3, the utility model further provides an automobile engine, which comprises a cylinder cover, wherein the cylinder cover is provided with an oil path structure, and the oil path structure is the cylinder cover oil path structure.
The automobile engine with the cylinder cover oil way structure provided by the utility model has the advantages that the oil way of the whole cylinder cover is uniformly distributed, the trend is simple and the implementation is easy; the oil passage is formed during the casting of the zero component, so that the machining of the zero component and the use of a sealing piece are reduced, and the zero component casting machine has the advantages of simple structure, low cost and simple machining.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the utility model. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (10)
1. The cylinder cover oil way structure is characterized by comprising a vertical main oil way (1), a transverse main oil way and a VVT oil way (4), wherein the VVT oil way (4) forms an oil way through a precast oil groove; the transverse main oil gallery comprises an exhaust transverse main oil gallery (2) and an intake transverse main oil gallery (3), and the exhaust transverse main oil gallery (2) and the intake transverse main oil gallery (3) are arranged on a cylinder cover side by side along the horizontal direction; the vertical main oil passage (1) is arranged on the cylinder cover in the vertical direction and is communicated with one end of the VVT oil passage (4), so that the VVT oil passage (4) can provide lubricating oil for a VVT mechanism; the VVT oil way (4) is also communicated with the exhaust transverse main oil channel (2) and the intake transverse main oil channel (3) respectively, so that the conveying of lubricating oil is realized; the vertical main oil gallery (1) is also communicated with a main oil supply gallery of the cylinder cover so as to receive high-pressure lubricating oil from an oil pump.
2. The cylinder head oil path structure according to claim 1, characterized by further comprising an exhaust camshaft oil path (5), a plurality of the exhaust camshaft oil paths (5) being respectively communicated with the exhaust lateral main oil gallery (2) so as to respectively supply lubricating oil to the respective exhaust camshafts individually.
3. The cylinder head oil path structure according to claim 1, characterized by further comprising intake camshaft oil paths (6), a plurality of the intake camshaft oil paths (6) being respectively communicated with the intake transverse main oil gallery (3) so as to respectively supply lubricating oil to the respective intake camshafts individually.
4. The cylinder head oil path structure according to claim 1, characterized by further comprising exhaust hydraulic tappet oil paths (7), a plurality of the exhaust hydraulic tappet oil paths (7) being respectively communicated with the exhaust cross main oil gallery (2) so as to respectively supply lubricating oil to the respective exhaust hydraulic tappets individually.
5. The cylinder head oil path structure according to claim 1, characterized by further comprising intake hydraulic tappet oil paths (8), a plurality of the intake hydraulic tappet oil paths (8) being respectively communicated with the intake cross main oil passage (3) so as to respectively supply lubricating oil to the respective intake hydraulic tappets individually.
6. The cylinder head oil circuit structure according to claim 1, characterized in that the oil circuit structure further includes high-pressure oil pump oil (9), and the high-pressure oil pump oil (9) communicates with the intake lateral main oil gallery (3) to supply lubricating oil to a high-pressure oil pump.
7. The cylinder head oil passage structure according to claim 1, wherein the VVT oil passage (4) includes a bearing cap lower cover oil groove (41), a bearing cap upper cover oil groove (42), and a connecting oil groove (43); the bearing cover lower cover oil groove (41) is arranged at one end of the connecting oil groove (43) and is communicated with the connecting oil groove (43); the bearing cover upper cover oil groove (42) is arranged at the other end of the connecting oil groove (43) and is communicated with the connecting oil groove (43); the bearing cover lower cover oil groove (41) is communicated with the vertical main oil gallery (1) through a vertical oil receiving pipe (44), and the bearing cover lower cover oil groove (41) is also communicated with the exhaust transverse main oil gallery (2) through a first transverse oil receiving pipe (45); and the bearing cover upper cover oil groove (42) is communicated with the air inlet transverse main oil gallery (3) through a second transverse oil receiving pipe (46).
8. The cylinder head oil path structure according to claim 7, wherein the vertical main oil gallery (1) is an oblique oil supply gallery, and an upper end of the oblique oil supply gallery is communicated with a first transverse oil receiving pipe (45) at a lower end of the bearing cap lower cover oil groove (41) through an upper oil hole; the first transverse oil receiving pipe (45) is arranged at the lower end of the bearing cover upper cover oil groove (42) and communicated with the air inlet transverse main oil duct (3).
9. The cylinder head oil path structure according to claim 6, wherein the high-pressure oil pump oil (9) includes a first oblique oil path one end of which communicates with the intake lateral main oil path (3), and a second oblique oil path the other end of which communicates with the high-pressure oil pump, one end of which communicates with the first oblique oil path, and the other end of which communicates with the high-pressure oil pump.
10. An automobile engine, comprising a cylinder head, wherein an oil path structure is arranged on the cylinder head, and the oil path structure is the cylinder head oil path structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220226169.9U CN216691274U (en) | 2022-01-27 | 2022-01-27 | Cylinder head oil circuit structure and automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220226169.9U CN216691274U (en) | 2022-01-27 | 2022-01-27 | Cylinder head oil circuit structure and automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216691274U true CN216691274U (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220226169.9U Active CN216691274U (en) | 2022-01-27 | 2022-01-27 | Cylinder head oil circuit structure and automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216691274U (en) |
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2022
- 2022-01-27 CN CN202220226169.9U patent/CN216691274U/en active Active
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