CN104047757A - Combined type engine oil-blocking heat-insulation structure - Google Patents
Combined type engine oil-blocking heat-insulation structure Download PDFInfo
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- CN104047757A CN104047757A CN201310082730.6A CN201310082730A CN104047757A CN 104047757 A CN104047757 A CN 104047757A CN 201310082730 A CN201310082730 A CN 201310082730A CN 104047757 A CN104047757 A CN 104047757A
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- oil baffle
- oil
- heat
- baffle plate
- insulating structure
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a combined type engine oil-blocking heat-insulation structure. An air cylinder cover of a combined type engine is arranged on an air cylinder cover in a covering mode, a high-pressure oil pipe is distributed on one side of the air cylinder cover, and a diesel oil filter and a supercharger are distributed on the lateral face of the high-pressure oil pipe. The combined type engine oil-blocking heat-insulation structure comprises oil blocking plates, a diesel oil filter heat-insulation cover and a supercharger heat-insulation cover, wherein the oil blocking plates cover the outer side of the high-pressure oil pipe, the diesel oil filter heat-insulation cover covers the outer side of the diesel oil filter, and the supercharger heat-insulation cover covers the outer side of the supercharger. According to the combined type engine oil-blocking heat-insulation structure, the oil blocking plates are distributed among high-temperature components such as the high-pressure oil pipe, the supercharger and air discharge pipes, and heat-insulation covers cover the supercharger and the diesel oil filter, so that fire hazards caused by the fact that the high-pressure oil pipe cracks and oil is spayed on the high-temperature components are prevented, and operation stability of the combined type engine is strengthened.
Description
Technical field
The present invention relates to engine art, particularly a kind of composite engine is kept off oily heat-insulating structure.
Background technique
At present, along with scientific and technical development, Electrocontrolled high-pressure common rail oil-fired system starts to introduce composite engine, high-pressure common rail (Common Rail) electric jet technology refers in the closed-loop system of high pressure oil pump, pressure transducer and electronic control unit (ECU) composition, by the generation of jet pressure and course of injection a kind of fuel system completely separate from each other.It is, by high pressure oil pump, high pressure fuel is transported to common feeder line (Rail), realize accurately and controlling by the oil pressure in common feeder line, make high pressure pipe pressure (Pressure) size irrelevant with the rotating speed of motor, can significantly reduce the degree that engine oil pressure changes with engine speed.
As depicted in figs. 1 and 2, valve mechanism cover 11 lids are located in cylinder head 12, and high-pressure oil pipe 13 is arranged in the side of cylinder head 12, and the homonymy of cylinder head 12 is also furnished with suction tude 14, and downside is furnished with bavin filter 15, and upside is furnished with pressurized machine 16.The high-temperature components such as pressurized machine 16 and outlet pipe are laid near high-pressure oil pipe 13.Adopt the working pressure of the high-pressure oil pipe (high-pressure common-rail pipe or high-pressure oil pipe) of Electrocontrolled high-pressure common rail oil-fired system to reach as high as 1800Bar, once high-pressure oil pipe 13 damages, high pressure oil will be from wherein ejection, and fuel oil is very easily sprayed onto on the high-temperature component such as pressurized machine and outlet pipe, utmost point fire hazardous.
Summary of the invention
The present invention is in order to overcome defect in above-mentioned prior art, provide a kind of simple and reasonable, by lay oil baffle between the high-temperature component such as high-pressure oil pipe and pressurized machine, outlet pipe, and establish thermal shield in pressurized machine, bavin filter upper cover and prevent that high-pressure oil pipe from breaking oil spout to causing that the composite engine of fire keeps off oily heat-insulating structure on high-temperature component.
For achieving the above object, keep off oily heat-insulating structure according to the invention provides a kind of composite engine, wherein the cylinder head cover cap of composite engine is located in cylinder head, high-pressure oil pipe is laid in cylinder head one side, bavin filter and pressurized machine are laid in high-pressure oil pipe side, and this composite engine is kept off oily heat-insulating structure and comprised: be located at high-pressure oil pipe outside oil baffle, be located at the bavin filter thermal shield in bavin filter outside and be located at the supercharger heat shield in pressurized machine outside.
In technique scheme, oil baffle is housing structure, and mask has construction opening thereafter; The left upper right corner, front of oil baffle offers respectively upper left oil baffle plate construction bolt counterbore and upper right oil baffle plate construction bolt counterbore, and downside interval, front is laid with lower-left oil baffle plate construction bolt counterbore and bottom right oil baffle plate construction bolt counterbore.
In technique scheme, the back side of lower-left oil baffle plate construction bolt counterbore and bottom right oil baffle plate construction bolt counterbore has respectively inside axially extended rubber boss.
In technique scheme, the inner side of oil baffle is also arranged at intervals with oil baffle plate stiffening rib.
In technique scheme, bavin filter thermal shield cross section is U-shaped, and two ends have bavin filter bolt mounting holes.
In technique scheme, the tubular that supercharger heat shield is and pressurized machine outside adaptation is set with, its sidewall and diapire have breach, and diapire also has the perforation wearing for pressurized machine tracheae and is laid in perforation pressurized machine bolt mounting holes around.
Compared with prior art, the present invention has following beneficial effect: this composite engine is kept off oily heat-insulating structure, by lay oil baffle between the high-temperature component such as high-pressure oil pipe and pressurized machine, outlet pipe, and establish thermal shield in pressurized machine, bavin filter upper cover and prevent that the high-pressure oil pipe oil spout of breaking from causing fire to high-temperature component, strengthen the stability of composite engine operation.
Brief description of the drawings
Fig. 1 is the main TV structure schematic diagram that existing composite engine is kept off oily heat-insulating structure;
Fig. 2 is the perspective view that existing composite engine is kept off oily heat-insulating structure;
Fig. 3 is the main TV structure schematic diagram of the composite engine of the present invention oil baffle that keeps off oily heat-insulating structure;
Fig. 4 is the backsight structural representation of the composite engine of the present invention oil baffle that keeps off oily heat-insulating structure;
Fig. 5 is the side-looking structural representation of the composite engine of the present invention oil baffle that keeps off oily heat-insulating structure;
Fig. 6 is the sectional structure schematic diagram of the composite engine of the present invention oil baffle that keeps off oily heat-insulating structure;
Fig. 7 is the structural representation that composite engine of the present invention is kept off the bavin filter thermal shield of oily heat-insulating structure;
Fig. 8 is the structural representation that composite engine of the present invention is kept off the supercharger heat shield of oily heat-insulating structure;
Fig. 9 is the main TV structure schematic diagram of assembling that composite engine of the present invention is kept off oily heat-insulating structure;
Figure 10 is the assembling perspective view that composite engine of the present invention is kept off oily heat-insulating structure;
Description of reference numerals:
11-valve mechanism cover, 12-cylinder head, 13-high-pressure oil pipe, 14-suction tude, 15-bavin filter, 16-pressurized machine, 21-cylinder head, 22-valve mechanism cover, 23-bavin filter, 24-pressurized machine, 25-oil baffle, oil baffle plate construction bolt counterbore hole, 251-upper left, 252-upper right oil baffle plate construction bolt counterbore, 253-lower-left oil baffle plate construction bolt counterbore, 254-bottom right oil baffle plate construction bolt counterbore, 255-rubber boss, 26-bavin filter thermal shield, 261-bavin filter bolt mounting holes, 27-supercharger heat shield, 271-perforation, 272-pressurized machine bolt mounting holes.
Embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subject to the restriction of embodiment.It will be appreciated that, mentioned in following mode of execution of the present invention " on ", D score, " left side ", " right side ", " front " and " reverse side " be all taking the direction shown in each figure as benchmark, these words that are used for limiting direction are only used to be convenient to explanation, do not represent the restriction to the concrete technological scheme of the present invention.
Composite engine of the present invention is kept off oily heat-insulating structure by lay oil baffle between the high-temperature component such as high-pressure oil pipe and pressurized machine, outlet pipe, and establishes thermal shield in pressurized machine, bavin filter upper cover and prevent that the high-pressure oil pipe oil spout of breaking from causing fire to high-temperature component.
As shown in Figure 9 and Figure 10, valve mechanism cover 22 lids of composite engine of the present invention are located in cylinder head 21, high-pressure oil pipe is laid in cylinder head 21 1 sides, bavin filter 23 and pressurized machine 24 are laid in high-pressure oil pipe side, and the concrete structure that this composite engine is kept off oily heat-insulating structure comprises: be located at high-pressure oil pipe outside oil baffle 25, be located at the bavin filter thermal shield 26 in bavin filter 23 outsides and be located at the supercharger heat shield 27 in pressurized machine 24 outsides.Oil baffle 25 is located at high-pressure oil pipe outside, can avoid the high-pressure oil pipe oil spout of breaking to cause fire to the high-temperature components such as pressurized machine, and bavin filter thermal shield 26 and supercharger heat shield 27 are located at respectively bavin filter 23 and pressurized machine 24 outsides, bavin filter 23 and pressurized machine 24 be as the main high-temperature component of composite engine, and its outer cup is established corresponding thermal shield and played equally the effect of avoiding high-pressure oil pipe to break oil spout on it and to cause fire.
The common rail injection formula oil supply system of this composite engine is made up of high pressure oil pump, high-pressure oil pipe (high-pressure common-rail pipe and high pressure arm), oil sprayer, ECU (Electrical Control Unit) (ECU) and some pipe pressure sensors, each oil sprayer in system is connected with high-pressure common-rail pipe (common feeder line) by high pressure arm separately, jointly be arranged in the side of cylinder head, high-pressure common-rail pipe (common feeder line) plays the effect of fluid power pressure accumulation to oil sprayer.When work, high pressure oil pump arrives high-pressure common-rail pipe (common feeder line) with high pressure by fuel delivery, high pressure oil pump, pressure transducer and the work of ECU composition closed loop, oil pressure in high-pressure common-rail pipe (common feeder line) is realized accurately and being controlled, thoroughly changed the phenomenon that charge oil pressure changes with engine speed.Its main feature has following three aspects:
The first, injection timing separates completely with fuel metering, and injection pressure and injection process are controlled by ECU in good time.
The second, can remove to adjust each cylinder injection pressure according to engine working conditions, beginning of injection, endurance, thereby the optimum controlling point of pursuit oil spout.
Three, very high injection pressure can be realized, and the pre-spray of diesel oil can be realized.
Oil baffle 25 is located at high-pressure oil pipe outside, by high-pressure oil pipe with lay the high-temperature component (not shown) isolation such as nigh pressurized machine, outlet pipe, high pressure fuel is sprayed onto and on the hot parts of motor, causes fire and damage diesel engine when avoiding high-pressure oil pipe to break.
As shown in Figures 3 to 6, oil baffle 25 is housing structure, and rear side has construction opening, and middle cavity is used for holding high-pressure oil pipe, thus by high-pressure oil pipe with lay the high-temperature component isolation such as nigh pressurized machine, outlet pipe.The left upper right corner, front of oil baffle 25 offers respectively upper left oil baffle plate construction bolt counterbore 251 and upper right oil baffle plate construction bolt counterbore 252; The downside interval, front of oil baffle 25 is laid with lower-left oil baffle plate construction bolt counterbore 253 and bottom right oil baffle plate construction bolt counterbore 254, when assembling, upper left oil baffle plate construction bolt counterbore 251 and upper right oil baffle plate construction bolt counterbore 252 are stacked on cylinder cover of engine 22 by two M8 bolts; Lower-left oil baffle plate construction bolt counterbore 253 and bottom right oil baffle plate construction bolt counterbore 254 are stacked on engine air inlet tube by two M6 bolts.
Wherein, the back side of lower-left oil baffle plate construction bolt counterbore 253 and bottom right oil baffle plate construction bolt counterbore 254 has respectively inside axially extended rubber boss 255; rubber boss 255 sizes are through accurately design; the elasticity of rubber can effectively prevent that oil baffle is contained in engine vibration and damages, and oil baffle is had to good protective action.Can effectively control again accessory size, even if short transverse size deviation is large a little, also can ensure being effectively in place of oil baffle simultaneously.The inner side of oil baffle 25 is also arranged at intervals with oil baffle plate stiffening rib 256, for improving the intensity of oil baffle.
As shown in Figure 7, bavin filter thermal shield 26 cross sections are U-shaped, and two ends have bavin filter bolt mounting holes 261, are bolted and are located at bavin filter 23 outsides.
As shown in Figure 8, the tubular that supercharger heat shield 27 is and pressurized machine outside adaptation is set with, sidewall and diapire have breach, and diapire also has the perforation 271 wearing for pressurized machine tracheae and the pressurized machine bolt mounting holes 272 being laid in around perforation 271.
When assembling, first oil baffle 25 is installed in suction tude through lower-left oil baffle plate construction bolt counterbore 253 and bottom right oil baffle plate construction bolt counterbore 254 respectively by two M6 bolts, is above tightened to form-fit torque.Again oil baffle 25 is installed in valve mechanism cover 22 and cylinder head 21 through lower-left oil baffle plate construction bolt counterbore 253 and bottom right oil baffle plate construction bolt counterbore 254 respectively by two M8 bolts, is above tightened to form-fit torque.Accordingly, bavin filter thermal shield 26 is bolted in cylinder head 21, supercharger heat shield 27 is directly contained on pressurized machine by bolt.
This composite engine is kept off oily heat-insulating structure, by lay oil baffle between the high-temperature component such as high-pressure oil pipe and pressurized machine, outlet pipe, and establish thermal shield in pressurized machine, bavin filter upper cover and prevent that the high-pressure oil pipe oil spout of breaking from causing fire to high-temperature component, strengthen the stability of composite engine operation.
Disclosed is above only several specific embodiment of the present invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (6)
1. a composite engine is kept off oily heat-insulating structure, wherein the cylinder head cover cap of composite engine is located in cylinder head, high-pressure oil pipe is laid in described cylinder head one side, bavin filter and pressurized machine are laid in described high-pressure oil pipe side, it is characterized in that, this composite engine is kept off oily heat-insulating structure and is comprised: be located at described high-pressure oil pipe outside oil baffle, be located at the bavin filter thermal shield in described bavin filter outside and be located at the supercharger heat shield in described pressurized machine outside.
2. composite engine according to claim 1 is kept off oily heat-insulating structure, it is characterized in that: described oil baffle is housing structure, and mask has construction opening thereafter; The left upper right corner, front of described oil baffle offers respectively upper left oil baffle plate construction bolt counterbore and upper right oil baffle plate construction bolt counterbore, and downside interval, front is laid with lower-left oil baffle plate construction bolt counterbore and bottom right oil baffle plate construction bolt counterbore.
3. composite engine according to claim 2 is kept off oily heat-insulating structure, it is characterized in that: the back side of described lower-left oil baffle plate construction bolt counterbore and bottom right oil baffle plate construction bolt counterbore has respectively inside axially extended rubber boss.
4. composite engine according to claim 2 is kept off oily heat-insulating structure, it is characterized in that: the inner side of described oil baffle is also arranged at intervals with oil baffle plate stiffening rib.
5. composite engine according to claim 1 is kept off oily heat-insulating structure, it is characterized in that: described bavin filter thermal shield cross section is U-shaped, and two ends have bavin filter bolt mounting holes.
6. keep off oily heat-insulating structure according to the composite engine described in any one in claim 1 to 5, it is characterized in that: described supercharger heat shield is and the adaptive tubular being set with in described pressurized machine outside, its sidewall and diapire have breach, and described diapire also has the perforation wearing for pressurized machine tracheae and is laid in described perforation pressurized machine bolt mounting holes around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310082730.6A CN104047757B (en) | 2013-03-15 | 2013-03-15 | Composite engine gear oil heat insulation structural |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310082730.6A CN104047757B (en) | 2013-03-15 | 2013-03-15 | Composite engine gear oil heat insulation structural |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104047757A true CN104047757A (en) | 2014-09-17 |
| CN104047757B CN104047757B (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310082730.6A Active CN104047757B (en) | 2013-03-15 | 2013-03-15 | Composite engine gear oil heat insulation structural |
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| Country | Link |
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| CN (1) | CN104047757B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121854A (en) * | 2016-08-31 | 2016-11-16 | 广西玉柴机器股份有限公司 | The hood of Diesel engine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6076505A (en) * | 1998-01-15 | 2000-06-20 | Daimlerchrysler Ag | Fuel injection arrangement for a multicylinder internal combustion engine |
| JP2005220792A (en) * | 2004-02-04 | 2005-08-18 | Toyota Motor Corp | Structure for supporting intake member |
| JP2005325730A (en) * | 2004-05-13 | 2005-11-24 | Hino Motors Ltd | Fuel supply device for diesel engine |
| CN102588039A (en) * | 2012-02-10 | 2012-07-18 | 奇瑞汽车股份有限公司 | Thermally-insulated shroud of engine filter assembly |
| GB2489472A (en) * | 2011-03-30 | 2012-10-03 | Nissan Motor Mfg Uk Ltd | Heat shield fastener cover |
| CN202756098U (en) * | 2012-06-13 | 2013-02-27 | 东风朝阳朝柴动力有限公司 | Noise-reduction heat-insulation diesel engine top enclosure |
| CN203146132U (en) * | 2013-03-15 | 2013-08-21 | 广西玉柴机器股份有限公司 | Combined type engine oil-blocking heat-insulation structure |
-
2013
- 2013-03-15 CN CN201310082730.6A patent/CN104047757B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6076505A (en) * | 1998-01-15 | 2000-06-20 | Daimlerchrysler Ag | Fuel injection arrangement for a multicylinder internal combustion engine |
| JP2005220792A (en) * | 2004-02-04 | 2005-08-18 | Toyota Motor Corp | Structure for supporting intake member |
| JP2005325730A (en) * | 2004-05-13 | 2005-11-24 | Hino Motors Ltd | Fuel supply device for diesel engine |
| GB2489472A (en) * | 2011-03-30 | 2012-10-03 | Nissan Motor Mfg Uk Ltd | Heat shield fastener cover |
| CN102588039A (en) * | 2012-02-10 | 2012-07-18 | 奇瑞汽车股份有限公司 | Thermally-insulated shroud of engine filter assembly |
| CN202756098U (en) * | 2012-06-13 | 2013-02-27 | 东风朝阳朝柴动力有限公司 | Noise-reduction heat-insulation diesel engine top enclosure |
| CN203146132U (en) * | 2013-03-15 | 2013-08-21 | 广西玉柴机器股份有限公司 | Combined type engine oil-blocking heat-insulation structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121854A (en) * | 2016-08-31 | 2016-11-16 | 广西玉柴机器股份有限公司 | The hood of Diesel engine |
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|---|---|
| CN104047757B (en) | 2016-08-10 |
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