CN205638753U - Be provided with main oil pipe's of water droplet form fuel oil rail - Google Patents
Be provided with main oil pipe's of water droplet form fuel oil rail Download PDFInfo
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- CN205638753U CN205638753U CN201620173579.6U CN201620173579U CN205638753U CN 205638753 U CN205638753 U CN 205638753U CN 201620173579 U CN201620173579 U CN 201620173579U CN 205638753 U CN205638753 U CN 205638753U
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- oil pipe
- fuel
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- drops
- rail
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Abstract
The utility model discloses a be provided with main oil pipe's of water droplet form fuel oil rail links to each other with the sprayer, wherein, the fuel oil rail includes: main oil pipe, main oil pipe radial cross section is the water droplet column structure, be provided with a plurality of oil outlets on the main oil pipe, the oil outlet setting is being close to the less one end of water droplet column structure, just the less one end of water droplet column structure is higher than the great one end of water droplet column structure, advance oil pipe, advance oil pipe with main oil pipe is linked together, be used for to main oil pipe inputs fuel, the little bowl of sprayer, the little bowl of sprayer sets up on the main oil pipe, and with main oil pipe reaches the sprayer is linked together, heating device, heating device sets up main oil pipe's both ends, it is right fuel in the main oil pipe heats. The utility model discloses in main oil pipe radial cross section's water droplet column structure, make improve the position of oil outlet, and the fuel that prevents not heat is in by the little bowl entering engine of sprayer.
Description
Technical field
This utility model relates to the technical field of engine fuel oil rail, particularly relates to a kind of fuel oil rail being provided with drops main oil pipe.
Background technology
Fig. 1 is the structural representation of fuel oil rail in prior art, and Fig. 2 is the side sectional view of fuel oil rail in prior art, and Fig. 3 is the enlarged drawing in B portion, incorporated by reference to shown in Fig. 1-3.The main oil pipe 1 of oily rail in the market is generally circular in cross section or square, and this structure is applicable to conventional oil rail.If being applied to the flexible fuel oil rail as fuel with ethanol and gasoline mixed liquor, owing to the center of circle or the square center of main oil pipe 1 are concentric with the heating rod 32 of glow plug 31, in any case the fuel combination always having certain volume is positioned at the bottom of heating rod 32, after fuel combination is heated by glow plug 31, the fuel of heat is to the upper flow of main oil pipe, the fuel temperature of bottom is the most relatively low, simultaneously because oil outlet 11 location comparison being connected with fuel injector 2 is low, so the fuel that bottom is the most fully heated enters fuel injector, therefore it is likely to result in automobile engine cannot start under conditions of temperature is relatively low.
Utility model content
In view of this, a kind of fuel oil rail being provided with drops main oil pipe that the utility model proposes, relatively low to solve the main oil pipe oil outlet of existing oil rail, the fuel making heating insufficient enters electromotor so that the problem that electromotor cannot start.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
A kind of fuel oil rail being provided with drops main oil pipe, is connected with fuel injector, and wherein, described fuel oil rail includes:
Main oil pipe, described main oil pipe radial section is drops structure, being provided with multiple oil outlet on described main oil pipe, described oil outlet is positioned close to one end that described drops structure is less, and one end that the less one end of described drops structure is bigger higher than described drops structure；
Oil inlet pipe, described oil inlet pipe is connected with described main oil pipe, in order to input fuel to described main oil pipe；
The little bowl of fuel injector, the little bowl of described fuel injector is arranged on described main oil pipe, and is connected with described main oil pipe and described fuel injector；
Heater, described heater is arranged on the two ends of described main oil pipe, heats the fuel in described main oil pipe.
Above-mentioned a kind of fuel oil rail being provided with drops main oil pipe, wherein, the little bowl of described fuel injector matches with described oil outlet, and is provided with the fuel feed hole corresponding with described oil outlet on the little bowl of described fuel injector.
Above-mentioned a kind of fuel oil rail being provided with drops main oil pipe, wherein, is also embedded with deflector, guides the flow direction of fuel in described main oil pipe.
Above-mentioned a kind of fuel oil rail being provided with drops main oil pipe, wherein, described heater includes that glow plug and heating rod, described heating rod are arranged on described glow plug, and is embedded at the two ends of described main oil pipe, in order to the heating of described main oil pipe fuel.
Above-mentioned a kind of fuel oil rail being provided with drops main oil pipe, wherein, multiple described oil outlets are uniformly arranged on the same side of described main oil pipe.
Above-mentioned a kind of fuel oil rail being provided with drops main oil pipe, wherein, described deflector is embedded at the middle part of described main oil pipe, corresponding with the position of the described oil outlet being positioned in the middle part of described main oil pipe, prevents cold fuel from entering middle fuel injector.
Above-mentioned a kind of fuel oil rail being provided with drops main oil pipe, wherein, described fuel oil rail also includes that multiple cylinder head fixed support, described cylinder head fixed support are arranged on described main oil pipe.
This utility model is owing to have employed above-mentioned technology, and the good effect of generation is:
(1) this utility model uses drop-shaped main oil pipe, the position making described oil outlet is improved, the fuel that guarantee position is the most on the upper side from structure enters the little bowl of fuel injector by oil outlet, hence into fuel injector, prevent the fuel not heated from being entered in electromotor by the little bowl of fuel injector, and during electromotor work, the fuel of heat is normally at the position that oil rail is on the upper side, this the most well ensure that and enters the fuel that the fuel of fuel injector is all heat, also and then ensure that the function of flexible fuel oil rail.
(2) middle part of described main oil pipe is provided with deflector, it is to avoid cold fuel enter in the middle of fuel injector so that enters three atomizers is all hot fuel.
Accompanying drawing explanation
The accompanying drawing constituting a part of the present utility model is further appreciated by of the present utility model for providing, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of fuel oil rail in prior art；
Fig. 2 is the side sectional view of fuel oil rail in prior art；
Fig. 3 is the enlarged drawing in A portion；
Fig. 4 is the sectional view of the front view of the fuel oil rail being provided with drops main oil pipe；
Fig. 5 is the sectional view of the side view of the fuel oil rail being provided with drops main oil pipe；
Fig. 6 is the enlarged drawing in B portion；
Fig. 7 is the structural representation of the fuel oil rail embodiment one being provided with drops main oil pipe；
Fig. 8 is the structural representation of the fuel oil rail embodiment two being provided with drops main oil pipe.
In accompanying drawing: 1, main oil pipe；11, oil outlet；2, fuel injector, 31, glow plug；32, heating rod；4, oil inlet pipe；5, deflector；6, the little bowl of fuel injector；61, fuel feed hole；7, cylinder head fixed support.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as restriction of the present utility model.
Fig. 4 is the sectional view of the front view of the fuel oil rail being provided with drops main oil pipe, and Fig. 5 is the sectional view of the side view of the fuel oil rail being provided with drops main oil pipe；Fig. 6 is the enlarged drawing in B portion, incorporated by reference to shown in 4-6.A kind of fuel oil rail being provided with drops main oil pipe, is connected with fuel injector 2, enters in electromotor through fuel injector 2 after being heated by fuel, in order to the startup of electromotor.Wherein said fuel oil rail includes: main oil pipe 1, oil inlet pipe 4, the little bowl of fuel injector 6 and heater, described main oil pipe 1 radial section is drops structure, multiple oil outlet 11 it is provided with on described main oil pipe 1, described oil outlet 11 is positioned close to one end that described drops structure is less, and one end that the less one end of described drops structure is bigger higher than described drops structure, thus improving the position of described oil outlet 11 so that cold fuel cannot be entered in the little bowl of described fuel injector 6 by described oil outlet 11.Described heater is arranged on the two ends of described main oil pipe 1, heats the fuel in described main oil pipe 1.The little bowl of described fuel injector 6 is arranged on described main oil pipe 1, it is connected with described main oil pipe 1, the structure of the little bowl of described fuel injector 6 matches with the structure of described main oil pipe 1, the little bowl of the most described fuel injector 6 is connected with described fuel injector 2, and the setting of the little bowl of described fuel injector 6 is connected to described main oil pipe 1 and described fuel injector 2.Described oil inlet pipe 4 is connected with described main oil pipe 1, in order to input fuel to described main oil pipe 1.
Main oil pipe 1 described in this utility model, in water droplet structure, improves the height of the oil outlet 11 that the fuel feed hole 61 in the little bowl of described fuel injector 6 matches.Fuel in main oil pipe 1 is heated by described heater, the fuel of heat is to the upper flow of main oil pipe 1, the fuel temperature of bottom is the most relatively low, but owing to main oil pipe 1 drop-shaped structure improves the position of oil outlet 11 so that entering the fuel in the little bowl of described fuel injector 6 is hot fuel.
This utility model the most also has a following embodiment:
In further embodiment of the present utility model, the little bowl of described fuel injector 6 matches with described oil outlet 11, and it being provided with the fuel feed hole 61 corresponding with described oil outlet 11 on the described little bowl of fuel injector 6, the fuel after heating is flowed out by oil outlet 11 and enters the little bowl of described fuel injector 6 through fuel feed hole 61.
Wherein, multiple described oil outlets 11 are uniformly arranged on the same side of described main oil pipe 1 respectively, it is arranged at one end that close described drops structure is less, thus improves the position of described oil outlet 11 so that cold fuel cannot be entered in the little bowl of described fuel injector 6 by described oil outlet 11.The quantity of the little bowl of described fuel injector 6, described oil outlet 11 and described fuel injector 2 three is corresponding.
In further embodiment of the present utility model, described main oil pipe 1 is also embedded with deflector 5, the flow direction of fuel is guided, it is to avoid cold fuel enters described fuel injector 2.And described deflector 5 is arranged on the middle part of described main oil pipe 1, corresponding with oil outlet 11 position at described middle part, it is to avoid cold fuel enter in the middle of fuel injector 2 so that enters three fuel injectors 2 is all hot fuel.
In further embodiment of the present utility model, described heater includes that glow plug 31 and heating rod 32, described heating rod 32 are arranged on described glow plug 31, and is embedded at the two ends of described main oil pipe 1, in order to the heating of described main oil pipe 1 fuel.
Fig. 7 is the structural representation of the fuel oil rail embodiment one being provided with drops main oil pipe, incorporated by reference to shown in Fig. 6 and Fig. 7.In further embodiment of the present utility model, described fuel oil rail also includes that multiple cylinder head fixed support 7, described cylinder head fixed support 7 are arranged on described main oil pipe 1.
Embodiment one
The present embodiment has the basic structure of above-described embodiment, and wherein said oil outlet 11 is 3, and the corresponding little bowl of described fuel injector 6 and described fuel injector 2 are 3.
Embodiment two
Fig. 8 is the structural representation of the fuel oil rail embodiment two being provided with drops main oil pipe, incorporated by reference to shown in Fig. 6 and Fig. 8.The present embodiment has the basic structure of above-described embodiment, and wherein said oil outlet 11 is 4, and the corresponding little bowl of described fuel injector 6 and described fuel injector 2 are 4.
This utility model uses drop-shaped main oil pipe 1, the position making described oil outlet 11 is improved, the fuel that guarantee position is the most on the upper side from structure enters the little bowl of fuel injector by oil outlet 11, hence into fuel injector 2, prevent the fuel not heated from being entered in electromotor by the little bowl of fuel injector 6, and during electromotor work, the fuel of heat is normally at the position that oil rail is on the upper side, this the most well ensure that and enters the fuel that the fuel of fuel injector 2 is all heat, also and then ensure that the function of flexible fuel oil rail；The middle part of described main oil pipe 1 is provided with deflector 5, it is to avoid cold fuel enter in the middle of fuel injector 2 so that enters three fuel injectors 2 is all hot fuel.
In sum; the foregoing is only this utility model preferred embodiment; not thereby embodiment of the present utility model and protection domain are limited; to those skilled in the art; the equivalent done by all utilization this utility model description and diagramatic content and the scheme obtained by obvious change should be can appreciate that, all should be included in protection domain of the present utility model.
Claims (7)
1. it is provided with a fuel oil rail for drops main oil pipe, is connected with fuel injector, it is characterised in that described fuel oil rail includes:
Main oil pipe, described main oil pipe radial section is drops structure, being provided with multiple oil outlet on described main oil pipe, described oil outlet is positioned close to one end that described drops structure is less, and one end that the less one end of described drops structure is bigger higher than described drops structure；
Oil inlet pipe, described oil inlet pipe is connected with described main oil pipe, in order to input fuel to described main oil pipe；
The little bowl of fuel injector, the little bowl of described fuel injector is arranged on described main oil pipe, and is connected with described main oil pipe and described fuel injector；
Heater, described heater is arranged on the two ends of described main oil pipe, heats the fuel in described main oil pipe.
The fuel oil rail being provided with drops main oil pipe the most according to claim 1, it is characterised in that the little bowl of described fuel injector matches with described oil outlet, and it is provided with the fuel feed hole corresponding with described oil outlet on the little bowl of described fuel injector.
The fuel oil rail being provided with drops main oil pipe the most according to claim 2, it is characterised in that be also embedded with deflector in described main oil pipe, the flow direction of fuel is guided.
The fuel oil rail being provided with drops main oil pipe the most according to claim 3, it is characterized in that, described heater includes that glow plug and heating rod, described heating rod are arranged on described glow plug, and it is embedded at the two ends of described main oil pipe, in order to the heating of described main oil pipe fuel.
5. according to the fuel oil rail being provided with drops main oil pipe that any one of claim 1-4 is described, it is characterised in that multiple described oil outlets are uniformly arranged on the same side of described main oil pipe.
The fuel oil rail being provided with drops main oil pipe the most according to claim 3, it is characterized in that, described deflector is embedded at the middle part of described main oil pipe, corresponding with the position of the described oil outlet being positioned in the middle part of described main oil pipe, prevents cold fuel from entering middle fuel injector.
The fuel oil rail being provided with drops main oil pipe the most according to claim 5, it is characterised in that described fuel oil rail also includes that multiple cylinder head fixed support, described cylinder head fixed support are arranged on described main oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620173579.6U CN205638753U (en) | 2016-03-07 | 2016-03-07 | Be provided with main oil pipe's of water droplet form fuel oil rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620173579.6U CN205638753U (en) | 2016-03-07 | 2016-03-07 | Be provided with main oil pipe's of water droplet form fuel oil rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205638753U true CN205638753U (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620173579.6U Active CN205638753U (en) | 2016-03-07 | 2016-03-07 | Be provided with main oil pipe's of water droplet form fuel oil rail |
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| CN (1) | CN205638753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593728A (en) * | 2016-12-27 | 2017-04-26 | 奇瑞汽车股份有限公司 | Fuel rail assembly of gasoline engine |
-
2016
- 2016-03-07 CN CN201620173579.6U patent/CN205638753U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593728A (en) * | 2016-12-27 | 2017-04-26 | 奇瑞汽车股份有限公司 | Fuel rail assembly of gasoline engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 200120 Shanghai Pudong New Area free trade test area, No. 685, floor No. 3 Patentee after: Marilyn (China) Co. Ltd. Address before: 200120 Shanghai City, Pudong New Area Waigaoqiao Free Trade Zone Taigu Road No. 168 Patentee before: Marilyn (China) Co. Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 201200 3rd Floor, 685 Jinjin Road, China (Shanghai) Free Trade Pilot Area, Pudong New Area, Shanghai Patentee after: Marilyn (China) Co. Ltd. Address before: 3rd Floor, 685 Jijin Road, Pudong New Area Free Trade Pilot Area, Shanghai, 200120 Patentee before: Marilyn (China) Co. Ltd. |