CN201991635U - Cylinder cover of automobile engine - Google Patents
Cylinder cover of automobile engine Download PDFInfo
- Publication number
- CN201991635U CN201991635U CN2011200880037U CN201120088003U CN201991635U CN 201991635 U CN201991635 U CN 201991635U CN 2011200880037 U CN2011200880037 U CN 2011200880037U CN 201120088003 U CN201120088003 U CN 201120088003U CN 201991635 U CN201991635 U CN 201991635U
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- CN
- China
- Prior art keywords
- cylinder head
- drainback passage
- accumulator
- oil
- lubricant oil
- 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.)
- Expired - Fee Related
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model provides a cylinder cover of an automobile engine, which belongs to the technical field of automobiles and solves the problems that the design of an oil return channel on the cylinder cover of the existing automobile engine is complex, the cooling effect of lubricating oil is poor, and the like. The cylinder cover of the automobile engine comprises a body, wherein a partition board is arranged in the body, one side of the partition board is provided with an oil storage chamber, the other side of the partition board is provided with a correct time chain wheel chamber, the partition board is provided with an oil return channel communicating the oil storage chamber and the correct time chain wheel chamber, and the inner end of the oil return channel at the side of the oil storage chamber is equal to or higher than the outer end of the oil return channel at the side of the correct time chain wheel chamber. The cylinder cover of the automobile engine has the advantages of quick oil return, good lubricating oil cooling effect, clean and complete oil return and the like.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of constituent elements of motor car engine, particularly a kind of cylinder head of motor car engine.
Background technique
The cylinder head of motor car engine is used for closed cylinder top and constitute the firing chamber, and cylinder head, cylinder block, oil sump arrange successively from top to bottom and form the engine body group that the cylinder head end also has the timing sprocket chamber of one.
The body group in use needs to be lubricated, by transport pipe the lubricant oil in the oil sump is transported in the cylinder block, cylinder block is processed with spill port, spill port is with the lubricant oil cylinder block that leads, cylinder block communicates with oil sump, lubricant oil just flow back in the oil sump and is carried by transport pipe once more like this, has so just formed the circulation of lubricant oil.For example the Chinese patent literature data discloses a kind of cylinder head [application number: 201010261033.3 of internal-combustion engine; Application publication number: CN101943078A], its binding site at cylinder head and crankcase is provided with combi inlet port and spill port, between cylinder head top and valve mechanism cover, be formed with the cylinder head grease chamber, be communicated with the Oil-gas Separation chamber on combi inlet port, spill port and the valve mechanism cover, in the combi inlet port of cylinder head, be pressed into a mixed gas inlet pipe, the mixed gas inlet pipe go out the fuel head that open height is higher than the lubricant oil in the cylinder head grease chamber.
Above-mentioned patent has been cancelled the baffle plate around the combi inlet port that originally is arranged in cylinder head, by changing the setting height(from bottom) of mixed gas inlet pipe, make the cylinder head versatility good, but its spill port just is communicated to cylinder block at the cylinder head shoe cream room, and spill port also need be established in addition in the timing sprocket chamber, and processing is inconvenient, and the shoe cream room of cylinder head is disconnected to the timing sprocket chamber, the design of the drainback passage of lubricant oil is complicated like this, is unfavorable for lubricant oil fast return oil sump, and the lubricant oil cooling effect is bad.
Summary of the invention
The purpose of this utility model is at the above-mentioned problems in the prior art, and a kind of simple in structure, oil return cylinder head of motor car engine fast is provided.
The purpose of this utility model can realize by following technical proposal: a kind of cylinder head of motor car engine, comprise body, has dividing plate in the described body, described dividing plate one side is an accumulator, the opposite side of dividing plate is the timing sprocket chamber, it is characterized in that described dividing plate is provided with the drainback passage with accumulator and the connection of timing sprocket chamber, the inner that described drainback passage is positioned at the accumulator side is equal to or higher than the outer end that drainback passage is positioned at timing sprocket chamber side.
When the cylinder head of this motor car engine is lubricated, lubricant oil enters in the shoe cream room of cylinder head from oil sump by transport pipe, it is indoor to enter into timing sprocket from drainback passage again, turn back in the oil sump at last, because drainback passage directly has been communicated with accumulator and timing sprocket chamber, the flow process of lubricant oil reduces, and lubricant oil can fast return arrive oil sump, the good cooling results of lubricant oil.
Cylinder head closed cylinder top, the upper-lower position that cylinder head is put is determined, therefore the energy level is judged the height of drainback passage the inner, outer end, the inner that drainback passage is positioned at the accumulator side is equal to or higher than the outer end that it is positioned at timing sprocket chamber side, can make things convenient for lubricant oil to enter into the timing sprocket chamber from the accumulator drainback passage of flowing through, and prevent that the indoor lubricant oil of timing sprocket from pouring in down a chimney in accumulator, lubricant oil is smooth in drainback passage.
In the cylinder head of above-mentioned motor car engine, the inner of described drainback passage is positioned at the lowest part of accumulator.Cylinder head closed cylinder top, the upper-lower position that cylinder head is put is determined, can determine the lowest part of accumulator, the inner of drainback passage is positioned at the lowest part of accumulator, lubricant oil can not remain in the accumulator, when oil change more, the lubricant oil discharging in the accumulator is thoroughly clean, can not pollute new lubricant oil.
In the cylinder head of above-mentioned motor car engine, described drainback passage is a precast hole.Drainback passage and cylinder head integrally casting form, and have reduced manufacturing procedure like this, have reduced manufacture cost.
In the cylinder head of above-mentioned motor car engine, described drainback passage is a straight hole.Lubricant oil can flow through the drainback passage of straight hole apace, and the oil return process is quick.
Compared with prior art, the cylinder head of a kind of motor car engine of providing of the utility model has the following advantages:
1, the cylinder head of this motor car engine is communicated with accumulator and timing sprocket chamber by drainback passage, has reduced the flow process of lubricant oil, and lubricant oil can fast return arrive oil sump, the good cooling results of lubricant oil.
2, drainback passage and cylinder head integrally casting form, and manufacturing procedure is few, low cost of manufacture.
3, the inner of drainback passage is positioned at the lowest part of accumulator, and lubricant oil can not remain in accumulator, and particularly more during oil change, the lubricant oil discharging in the accumulator is thoroughly clean, can not pollute new lubricant oil.
Description of drawings
Fig. 1 is that the structure of the cylinder head of this motor car engine is analysed figure.
Among the figure, 1, body; 2, dividing plate; 3, accumulator; 4, timing sprocket chamber; 5, drainback passage.
Embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, the cylinder head of this motor car engine comprises body 1, has dividing plate 2 in the body 1, dividing plate 2 one sides are accumulator 3, the opposite side of dividing plate 2 is timing sprocket chamber 4, dividing plate 2 is provided with the drainback passage 5 with accumulator 3 and 4 connections of timing sprocket chamber, and the inner that drainback passage 5 is positioned at accumulator 3 sides is positioned at the lowest part of accumulator 3 and the outer end that this inner a little higher than drainback passage 5 is positioned at timing sprocket chamber 4 sides.Drainback passage 5 forms with the cylinder head integrally casting, and manufacturing procedure is few, low cost of manufacture, and promptly drainback passage 5 is a precast hole, the quantity of drainback passage 5 is set according to actual needs.In order to guarantee that lubricant oil can flow through the drainback passage 5 of straight hole apace, the oil return process is quick in the present embodiment, and drainback passage 5 is a straight hole.
Cylinder head closed cylinder top, the upper-lower position that cylinder head is put are determined, therefore can level judge drainback passage 5 the inners, the height of outer end and the lowest part of definite accumulator 3.When the cylinder head of this motor car engine is lubricated, lubricant oil enters in the shoe cream room of cylinder head from oil sump by transport pipe, enter in the timing sprocket chamber 4 from drainback passage 5 again, because being positioned at the inner of accumulator 3 sides, drainback passage 5 is higher than the outer end that it is positioned at timing sprocket chamber 4 sides, lubricant oil can be easily enters into timing sprocket chamber 4 from accumulator 3 drainback passage 5 of flowing through, and the lubricant oil in the timing sprocket chamber 4 can not pour in down a chimney in accumulator 3, lubricant oil is smooth in drainback passage 5, the inner that also has drainback passage 5 to be positioned at accumulator 3 sides is positioned at the lowest part of accumulator 3, lubricant oil can not remain in the accumulator 3, and last lubricant oil turns back to oil sump and circulates once more.Because drainback passage 5 directly has been communicated with accumulator 3 and timing sprocket chamber 4, the flow process of lubricant oil reduces, and lubricant oil can fast return arrive oil sump, the good cooling results of lubricant oil.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as body 1, dividing plate 2, accumulator 3, timing sprocket chamber 4, drainback passage 5 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (4)
1. the cylinder head of a motor car engine, comprise body (1), has dividing plate (2) in the described body (1), described dividing plate (2) one sides are accumulator (3), the opposite side of dividing plate (2) is timing sprocket chamber (4), it is characterized in that described dividing plate (2) is provided with the drainback passage (5) with accumulator (3) and timing sprocket chamber (4) connection, the inner that described drainback passage (5) is positioned at accumulator (3) side is equal to or higher than the outer end that drainback passage (5) is positioned at timing sprocket chamber (4) side.
2. the cylinder head of motor car engine according to claim 1 is characterized in that, the inner of described drainback passage (5) is positioned at the lowest part of accumulator (3).
3. the cylinder head of motor car engine according to claim 1 and 2 is characterized in that, described drainback passage (5) is a precast hole.
4. the cylinder head of motor car engine according to claim 3 is characterized in that, described drainback passage (5) is a straight hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200880037U CN201991635U (en) | 2011-03-30 | 2011-03-30 | Cylinder cover of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200880037U CN201991635U (en) | 2011-03-30 | 2011-03-30 | Cylinder cover of automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201991635U true CN201991635U (en) | 2011-09-28 |
Family
ID=44668125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200880037U Expired - Fee Related CN201991635U (en) | 2011-03-30 | 2011-03-30 | Cylinder cover of automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201991635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329138A (en) * | 2014-10-10 | 2015-02-04 | 重庆隆鑫发动机有限公司 | Multi-point injection lubricating structure of air cylinder head cover |
-
2011
- 2011-03-30 CN CN2011200880037U patent/CN201991635U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329138A (en) * | 2014-10-10 | 2015-02-04 | 重庆隆鑫发动机有限公司 | Multi-point injection lubricating structure of air cylinder head cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20140330 |