CN203146132U - Combined type engine oil-blocking heat-insulation structure - Google Patents
Combined type engine oil-blocking heat-insulation structure Download PDFInfo
- Publication number
- CN203146132U CN203146132U CN 201320117985 CN201320117985U CN203146132U CN 203146132 U CN203146132 U CN 203146132U CN 201320117985 CN201320117985 CN 201320117985 CN 201320117985 U CN201320117985 U CN 201320117985U CN 203146132 U CN203146132 U CN 203146132U
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- Prior art keywords
- oil baffle
- oil
- pressurized machine
- baffle plate
- insulating structure
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Abstract
The utility model 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 utility model relates to engine art, and particularly a kind of composite engine is kept off oily heat-insulating structure.
Background technique
At present, continuous development along with science and technology, the Electrocontrolled high-pressure common rail oil-fired system begins to introduce composite engine, high-pressure common rail (Common Rail) electric jet technology refers in the closed-loop system that high pressure oil pump, pressure transducer and electronic control unit (ECU) are formed, with generation and course of injection a kind of fuel system completely separate from each other of jet pressure.It is by high pressure oil pump high pressure fuel to be transported to common feeder line (Rail), realize accurately control by the oil pressure in the common feeder line, make high pressure pipe pressure (Pressure) size irrelevant with the rotating speed of motor, can reduce the degree that engine oil pressure changes with engine speed significantly.
As depicted in figs. 1 and 2, valve mechanism cover 11 lids are located on the 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 also is furnished with suction tude 14, and downside is furnished with bavin filter 15, and upside is furnished with pressurized machine 16.High temperature parts such as pressurized machine 16 and outlet pipe are laid near the 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, high-pressure oil pipe 13 is in case damage, high pressure oil will be from wherein ejection, and fuel oil very easily is sprayed onto on the high temperature parts such as pressurized machine and outlet pipe, very easily causes fire.
The model utility content
The utility model is in order to overcome defective in the above-mentioned prior art, provide a kind of simple and reasonable, by between high temperature parts such as high-pressure oil pipe and pressurized machine, outlet pipe, laying oil baffle, and be covered with thermal shield at pressurized machine, bavin filter and prevent that the high-pressure oil pipe oil spout of breaking from causing that to high-temperature component the composite engine of fire keeps off oily heat-insulating structure.
For achieving the above object, provide a kind of composite engine to keep off oily heat-insulating structure according to the utility model, wherein the cylinder head cover cap of composite engine is located on the cylinder head, high-pressure oil pipe is laid in cylinder head one side, bavin filter and pressurized machine are laid in the high-pressure oil pipe side, and this composite engine is kept off oily heat-insulating structure and comprised: be located at the high-pressure oil pipe outside oil baffle, be located at the bavin filter thermal shield in the bavin filter outside and be located at the pressurized machine thermal shield in the pressurized machine outside.
In the technique scheme, oil baffle is housing structure, and mask has construction opening thereafter; The positive left upper right corner of oil baffle offers upper left oil baffle plate construction bolt counterbore and upper right oil baffle plate construction bolt counterbore respectively, and the front downside is laid with lower-left oil baffle plate construction bolt counterbore and bottom right oil baffle plate construction bolt counterbore at interval.
In the technique scheme, the back side of lower-left oil baffle plate construction bolt counterbore and bottom right oil baffle plate construction bolt counterbore has inside axially extended rubber boss respectively.
In the technique scheme, the inboard of oil baffle also is arranged at intervals with the oil baffle plate stiffening rib.
In the technique scheme, bavin filter thermal shield cross section is U-shaped, and two ends have bavin filter bolt mounting holes.
In the technique scheme, the pressurized machine thermal shield is and the tubular of the adaptive suit in the pressurized machine outside, and its sidewall and diapire have breach, and diapire also has the perforation that wears for the pressurized machine tracheae and is laid in pressurized machine bolt mounting holes around the perforation.
Compared with prior art, the utlity model has following beneficial effect: this composite engine is kept off oily heat-insulating structure, by between high temperature parts such as high-pressure oil pipe and pressurized machine, outlet pipe, laying oil baffle, and be covered with thermal shield at pressurized machine, bavin filter and prevent that the high-pressure oil pipe oil spout of breaking from causing fire to high-temperature component, strengthened the stability of composite engine operation.
Description of drawings
Fig. 1 is the main TV structure schematic representation 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 representation of the composite engine of the present utility model oil baffle that keeps off oily heat-insulating structure;
Fig. 4 is the backsight structural representation of the composite engine of the present utility model oil baffle that keeps off oily heat-insulating structure;
Fig. 5 is the side-looking structural representation of the composite engine of the present utility model oil baffle that keeps off oily heat-insulating structure;
Fig. 6 is the sectional structure schematic representation of the composite engine of the present utility model oil baffle that keeps off oily heat-insulating structure;
Fig. 7 is the structural representation that composite engine of the present utility model 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 utility model is kept off the pressurized machine thermal shield of oily heat-insulating structure;
Fig. 9 is the main TV structure schematic representation of assembling that composite engine of the present utility model is kept off oily heat-insulating structure;
Figure 10 is the assembling perspective view that composite engine of the present utility model is kept off oily heat-insulating structure;
Description of reference numerals:
The 11-valve mechanism cover, 12-cylinder head, 13-high-pressure oil pipe, the 14-suction tude, 15-bavin filter, 16-pressurized machine, 21-cylinder head, the 22-valve mechanism cover, 23-bavin filter, 24-pressurized machine, 25-oil baffle, the upper left oil baffle plate construction bolt of 251-counterbore hole, the upper right oil baffle plate construction bolt of 252-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-pressurized machine thermal shield, the 271-perforation, 272-pressurized machine bolt mounting holes.
Embodiment
Below in conjunction with accompanying drawing, an embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subjected to the restriction of embodiment.It will be appreciated that, mentioned in the following mode of execution of the present utility model " on ", D score, " left side ", " right side ", " front " and " reverse side " be benchmark with the direction shown in each figure all, these words that are used for limiting direction only are for convenience of explanation, do not represent the restriction to the concrete technological scheme of the utility model.
Composite engine of the present utility model is kept off oily heat-insulating structure by laying oil baffle between high temperature parts such as high-pressure oil pipe and pressurized machine, outlet pipe, and is covered with thermal shield at pressurized machine, bavin filter and prevents that the high-pressure oil pipe oil spout of breaking from causing fire to high-temperature component.
As Fig. 9 and shown in Figure 10, valve mechanism cover 22 lids of composite engine of the present utility model are located on the 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 the high-pressure oil pipe side, and the concrete structure that this composite engine is kept off oily heat-insulating structure comprises: be located at the 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 pressurized machine thermal shield 27 in pressurized machine 24 outsides.Oil baffle 25 is located at the high-pressure oil pipe outside, can avoid the high-pressure oil pipe oil spout of breaking to high temperature parts such as pressurized machine, to cause fire, and bavin filter thermal shield 26 and pressurized machine thermal shield 27 are located at bavin filter 23 and pressurized machine 24 outsides respectively, bavin filter 23 and pressurized machine 24 be as the main high-temperature component of composite engine, and its outside is covered with corresponding thermal shield and plays the effect of avoiding high-pressure oil pipe to break oil spout on it and causing fire equally.
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 the system links to each other with high-pressure common rail pipe (common feeder line) by high pressure arm separately, be arranged in the side of cylinder head jointly, high-pressure common rail pipe (common feeder line) plays the effect of fluid power pressure accumulation to oil sprayer.During work, high pressure oil pump arrives high-pressure common rail pipe (common feeder line) with high pressure with fuel delivery, high pressure oil pump, pressure transducer and ECU form closed loop work, oil pressure in the high-pressure common rail pipe (common feeder line) is realized accurately control, thoroughly changed the phenomenon that charge oil pressure changes with engine speed.Its main feature has following three aspects:
The first, injection timing separates fully 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.
To shown in Figure 6, oil baffle 25 is housing structure as Fig. 3, and rear side has construction opening, and middle cavity is used for holding high-pressure oil pipe, thereby high-pressure oil pipe and high temperature parts such as the nigh pressurized machine of laying, outlet pipe are isolated.The positive left upper right corner of oil baffle 25 offers upper left oil baffle plate construction bolt counterbore 251 and upper right oil baffle plate construction bolt counterbore 252 respectively; The front downside 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 at interval, during assembling, upper left oil baffle plate construction bolt counterbore 251 and upper right oil baffle plate construction bolt counterbore 252 are stacked on the 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 the 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 inside axially extended rubber boss 255 respectively; rubber boss 255 sizes are through accurately design; the elasticity of rubber can prevent effectively that oil baffle is contained in engine vibration and damages, and oil baffle is had good protective action.Simultaneously accessory size can be effectively controlled again, even the short transverse size deviation is big a little, also effectively being in place of oil baffle can be guaranteed.The inboard of oil baffle 25 also is arranged at intervals with oil baffle plate stiffening rib 256, is used 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 located at bavin filter 23 outsides by bolt.
As shown in Figure 8, pressurized machine thermal shield 27 is and the tubular of the adaptive suit in the pressurized machine outside, and sidewall and diapire have breach, and diapire also has the perforation 271 that wears for the pressurized machine tracheae and is laid in pressurized machine bolt mounting holes 272 around the perforation 271.
During assembling, earlier oil baffle 25 is passed lower-left oil baffle plate construction bolt counterbore 253 respectively by two M6 bolts and bottom right oil baffle plate construction bolt counterbore 254 is installed on the suction tude, on be tightened to form-fit torque.Again oil baffle 25 is passed lower-left oil baffle plate construction bolt counterbore 253 respectively by two M8 bolts and bottom right oil baffle plate construction bolt counterbore 254 is installed on valve mechanism cover 22 and the cylinder head 21, on be tightened to form-fit torque.Accordingly, bavin filter thermal shield 26 by be bolted on the cylinder head 21, pressurized machine thermal shield 27 directly is contained on the pressurized machine by bolt.
This composite engine is kept off oily heat-insulating structure, by between high temperature parts such as high-pressure oil pipe and pressurized machine, outlet pipe, laying oil baffle, and be covered with thermal shield at pressurized machine, bavin filter and prevent that the high-pressure oil pipe oil spout of breaking from causing fire to high-temperature component, strengthened the stability of composite engine operation.
More than disclosed only be several specific embodiment of the present utility model, still, the utility model is not limited thereto, any those skilled in the art can think variation all should fall into protection domain of the present utility model.
Claims (6)
1. a composite engine is kept off oily heat-insulating structure, wherein the cylinder head cover cap of composite engine is located on the 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 comprised: be located at the described high-pressure oil pipe outside oil baffle, be located at the bavin filter thermal shield in the described bavin filter outside and be located at the pressurized machine thermal shield in the 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 positive left upper right corner of described oil baffle offers upper left oil baffle plate construction bolt counterbore and upper right oil baffle plate construction bolt counterbore respectively, and the front downside is laid with lower-left oil baffle plate construction bolt counterbore and bottom right oil baffle plate construction bolt counterbore at interval.
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 inside axially extended rubber boss respectively.
4. composite engine according to claim 2 is kept off oily heat-insulating structure, it is characterized in that: the inboard of described oil baffle also is arranged at intervals with the 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 each described composite engine in the claim 1 to 5, it is characterized in that: described pressurized machine thermal shield for the tubular of the adaptive suit in the described pressurized machine outside, its sidewall and diapire have breach, and described diapire also has the perforation that wears for the pressurized machine tracheae and is laid in described perforation pressurized machine bolt mounting holes on every side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320117985 CN203146132U (en) | 2013-03-15 | 2013-03-15 | Combined type engine oil-blocking heat-insulation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320117985 CN203146132U (en) | 2013-03-15 | 2013-03-15 | Combined type engine oil-blocking heat-insulation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203146132U true CN203146132U (en) | 2013-08-21 |
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ID=48973666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320117985 Expired - Lifetime CN203146132U (en) | 2013-03-15 | 2013-03-15 | Combined type engine oil-blocking heat-insulation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203146132U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883393A (en) * | 2014-04-02 | 2014-06-25 | 广西玉柴机器股份有限公司 | Split engine protective cover |
| CN104047757A (en) * | 2013-03-15 | 2014-09-17 | 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 CN 201320117985 patent/CN203146132U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047757A (en) * | 2013-03-15 | 2014-09-17 | 广西玉柴机器股份有限公司 | Combined type engine oil-blocking heat-insulation structure |
| CN104047757B (en) * | 2013-03-15 | 2016-08-10 | 广西玉柴机器股份有限公司 | Composite engine gear oil heat insulation structural |
| CN103883393A (en) * | 2014-04-02 | 2014-06-25 | 广西玉柴机器股份有限公司 | Split engine protective cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130821 Effective date of abandoning: 20160810 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |