CN109356742B - Engine cylinder cover with lubricating oil channel - Google Patents
Engine cylinder cover with lubricating oil channel Download PDFInfo
- Publication number
- CN109356742B CN109356742B CN201811520985.5A CN201811520985A CN109356742B CN 109356742 B CN109356742 B CN 109356742B CN 201811520985 A CN201811520985 A CN 201811520985A CN 109356742 B CN109356742 B CN 109356742B
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- CN
- China
- Prior art keywords
- cylinder cover
- lubricating oil
- threaded holes
- communicated
- cover body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
Abstract
The invention provides an engine cylinder cover with a lubricating oil channel, which comprises a cylinder cover body, wherein a plurality of threaded holes are formed in the cylinder cover body, the positions of the threaded holes correspond to an exhaust rocker shaft or an intake rocker shaft, and part of adjacent threaded holes are communicated through communication holes. According to the invention, the rocker shaft mounting bolt hole and the lubricating oil channel are integrated on the cylinder cover, and lubricating oil flows through the rocker shaft and the rocker arm of each cylinder by utilizing the reasonable arrangement of the oil channel, so that lubrication is realized.
Description
Technical Field
The invention belongs to the technical field of engines, and particularly relates to an engine cylinder cover with a lubricating oil passage.
Background
Most of lubricating oil inlet of the existing diesel engine valve actuating mechanism introduces lubricating oil into a camshaft, a rocker shaft and the like for lubrication by arranging an independent oil duct on a cylinder cover, and the structure is favorable for realizing sealing and has the defects of high requirement on space and unfavorable arrangement of a high-compactness engine.
Disclosure of Invention
In view of the above, the present invention is directed to an engine cylinder head with a lubricating oil passage to overcome the shortcomings of the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the engine cylinder cover with the lubricating oil channel comprises a cylinder cover body, wherein a plurality of threaded holes are formed in the cylinder cover body, the positions of the threaded holes correspond to those of an exhaust rocker arm shaft or an intake rocker arm shaft, and part of adjacent threaded holes are communicated through communication holes.
Further, the communication hole comprises two communicated inclined holes; the other ends of the two inclined holes are respectively communicated with the corresponding threaded holes.
Furthermore, a steel bushing is arranged in the threaded hole, the steel bushing is connected with the cylinder cover body through threads, a positioning hole is formed in the top of the steel bushing, and a positioning sleeve is arranged in the positioning hole to realize positioning between the steel bushing and the exhaust rocker arm shaft or the intake rocker arm shaft.
Furthermore, a plug of the exhaust rocker shaft is arranged in the rocker shaft; the plug of the air inlet rocker shaft is arranged at the end of the rocker shaft.
Furthermore, the cylinder cover body is composed of a plurality of cylinder cover split bodies, threaded holes are respectively formed in the cylinder cover split bodies, and at least one group of threaded holes respectively positioned in the cylinder cover split bodies are communicated with each other; and at least one group of threaded holes which are communicated with each other are arranged on each cylinder cover split body.
Furthermore, the cylinder cover body is composed of 3 cylinder cover split bodies, and each cylinder cover split body is provided with 4 threaded holes respectively and is located at two end parts of the cylinder cover body.
Compared with the prior art, the engine cylinder cover with the lubricating oil channel has the following advantages:
according to the invention, the rocker shaft mounting bolt hole and the lubricating oil channel are integrated on the cylinder cover, and lubricating oil flows through the rocker shaft and the rocker arm of each cylinder by utilizing the reasonable arrangement of the oil channel, so that lubrication is realized. This patent is applicable to aluminum alloy cylinder head's application demand, can be at bolt hole position installation steel bushing, also can realize the lubricated oil duct of this patent through drilling on the steel bushing and arrange.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a cylinder head according to an embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of two adjacent communicating threaded bores according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the flow path of lubricating oil after a rocker shaft is installed in a cylinder head according to an embodiment of the present invention.
Description of reference numerals:
1. a threaded hole; 2. a communicating hole; 3. an inclined hole; 4. a steel bushing; 5. an exhaust rocker shaft; 6. the plug of the exhaust rocker shaft; 7. an oil hole; 8. an intake rocker shaft; 9. the plug of the air inlet rocker shaft; 10. a cylinder head body.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. 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 otherwise specified.
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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
An engine cylinder head with a lubricating oil channel is characterized in that as shown in figure 1, a threaded hole 1 is machined in a cylinder head body 10, a 3-cylinder head structure as shown in the figure is composed of 3 cylinder head split bodies, 4 threaded holes (respectively located at two end parts of the cylinder head body) are machined in each cylinder head split body, and 12 threaded holes are machined in total. Two adjacent threaded holes 1 at two ends of two cylinder cover bodies on two sides are communicated, the threaded holes 1 respectively positioned on the adjacent cylinder cover split bodies are communicated with each other, and the threaded holes respectively positioned on the cylinder cover split bodies are communicated with each other; and at least one group of threaded holes 1 which are communicated with each other are arranged on each cylinder cover split body.
The communication holes 2 are formed so as to communicate with each other through two inclined holes 3 as shown in FIG. 2. For the aluminum alloy cylinder cover, in order to guarantee the thread strength, a steel bushing 4 can be installed in the threaded hole 1, the steel bushing 4 is connected with the cylinder cover body 10 through threads, a positioning hole is machined in the top of the steel bushing 4, a positioning sleeve can be installed, and positioning between the positioning sleeve and the rocker arm shaft is achieved. The exhaust rocker shaft 5 is mounted on the cylinder head as shown in fig. 3, and the plug 6 of the exhaust rocker shaft is mounted inside the rocker shaft. The plug 9 of the air inlet rocker shaft 8 is arranged at the end of the rocker shaft.
The flow path of the lubricating oil is shown by the arrow in the figure. The lubricating oil flows to an oil hole 7 on the rocker arm shaft for supplying oil to the rocker arm to lubricate the rocker arm shaft.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. An engine cylinder head with lubricating oil duct which characterized in that: the exhaust rocker arm structure comprises a cylinder cover body (10), wherein a plurality of threaded holes (1) are formed in the cylinder cover body (10), the positions of the threaded holes (1) correspond to an exhaust rocker arm shaft (5) or an intake rocker arm shaft (8), and part of adjacent threaded holes (1) are communicated through communicating holes (2); the cylinder cover body (10) is composed of a plurality of cylinder cover split bodies, threaded holes (1) are respectively formed in the cylinder cover split bodies, and at least one group of threaded holes (1) respectively located in different cylinder cover split bodies are communicated with each other; and at least one group of threaded holes (1) which are communicated with each other are arranged on each cylinder cover split body.
2. The engine cylinder head with the lubricating oil gallery according to claim 1, characterized in that: the communication hole (2) comprises two communicated inclined holes (3); the other ends of the two inclined holes (3) are respectively communicated with the corresponding threaded holes (1).
3. The engine cylinder head with the lubricating oil gallery according to claim 1, characterized in that: a steel bushing (4) is installed in the threaded hole (1), the steel bushing (4) is connected with the cylinder cover body (10) through threads, a positioning hole is formed in the top of the steel bushing (4), and a positioning sleeve is installed in the positioning hole to achieve positioning between the steel bushing and the exhaust rocker arm shaft (5) or the intake rocker arm shaft (8).
4. The engine cylinder head with the lubricating oil gallery according to claim 1, characterized in that: a plug (6) of the exhaust rocker shaft is arranged in the rocker shaft; the plug (9) of the air inlet rocker shaft is arranged at the end head of the rocker shaft.
5. The engine cylinder head with the lubricating oil gallery according to claim 1, characterized in that: the cylinder cover body (10) is composed of 3 cylinder cover split bodies, and 4 threaded holes (1) are formed in each cylinder cover split body and are located at two end portions of the cylinder cover body respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520985.5A CN109356742B (en) | 2018-12-12 | 2018-12-12 | Engine cylinder cover with lubricating oil channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520985.5A CN109356742B (en) | 2018-12-12 | 2018-12-12 | Engine cylinder cover with lubricating oil channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109356742A CN109356742A (en) | 2019-02-19 |
| CN109356742B true CN109356742B (en) | 2021-01-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811520985.5A Active CN109356742B (en) | 2018-12-12 | 2018-12-12 | Engine cylinder cover with lubricating oil channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109356742B (en) |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59175614U (en) * | 1983-05-11 | 1984-11-24 | アイシン精機株式会社 | Internal combustion engine valve drive device |
| JP4155117B2 (en) * | 2003-06-12 | 2008-09-24 | 三菱自動車工業株式会社 | Rocker shaft |
| CN2685575Y (en) * | 2003-11-05 | 2005-03-16 | 重庆力帆实业（集团）有限公司 | Cooling and lubricating structure for internal combustion engine swinging arm supporter |
| CN201679574U (en) * | 2009-09-29 | 2010-12-22 | 上汽通用五菱汽车股份有限公司 | Cylinder block having internally installed oil duct |
| CN201610774U (en) * | 2010-03-04 | 2010-10-20 | 中国重汽集团济南动力有限公司 | Assembly structure of rocker arm seat of diesel engine valve |
| CN101956625B (en) * | 2010-10-31 | 2013-03-20 | 无锡开普动力有限公司 | Lubricating structure of cylinder head |
| CN202370604U (en) * | 2011-12-15 | 2012-08-08 | 中国重汽集团济南动力有限公司 | Engine rocker arm |
| CN102644494A (en) * | 2012-05-12 | 2012-08-22 | 中国兵器工业集团第七0研究所 | Novel lubricating oil circuit for valve mechanism of diesel engine |
| CN202832701U (en) * | 2012-10-31 | 2013-03-27 | 宁波市鄞州德来特技术有限公司 | Rocker shaft oil supply mechanism |
| CN202926424U (en) * | 2012-12-04 | 2013-05-08 | 奉化市动力机械配件有限公司 | Intermittent oil supply structure of engine rocker |
| CN203347931U (en) * | 2013-07-09 | 2013-12-18 | 重庆志成机械有限公司 | Iron core structure of air-cooled cylinder head of motorcycle engine |
| CN104088680A (en) * | 2014-06-22 | 2014-10-08 | 中国北方发动机研究所(天津) | Frame rocker |
| CN205477958U (en) * | 2016-03-30 | 2016-08-17 | 常柴股份有限公司 | Cylinder head component |
| CN205689259U (en) * | 2016-05-31 | 2016-11-16 | 浙江新柴股份有限公司 | Engine valve rocker arm mechanism lubrication system |
| CN208010474U (en) * | 2018-01-24 | 2018-10-26 | 奇瑞汽车股份有限公司 | A kind of engine cylinder cover bolt hole boss structure |
-
2018
- 2018-12-12 CN CN201811520985.5A patent/CN109356742B/en active Active
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| Publication number | Publication date |
|---|---|
| CN109356742A (en) | 2019-02-19 |
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