CN221683094U - Fuel injector with cooling structure - Google Patents
Fuel injector with cooling structure Download PDFInfo
- Publication number
- CN221683094U CN221683094U CN202420392925.4U CN202420392925U CN221683094U CN 221683094 U CN221683094 U CN 221683094U CN 202420392925 U CN202420392925 U CN 202420392925U CN 221683094 U CN221683094 U CN 221683094U
- Authority
- CN
- China
- Prior art keywords
- cooling
- water
- spray head
- oil sprayer
- collar
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- 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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- 238000001816 cooling Methods 0.000 title claims abstract description 73
- 239000000446 fuel Substances 0.000 title claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 239000000498 cooling water Substances 0.000 claims abstract description 27
- 239000007921 spray Substances 0.000 claims abstract description 25
- 239000002826 coolant Substances 0.000 claims abstract description 11
- 238000002485 combustion reaction Methods 0.000 claims abstract description 10
- 239000004065 semiconductor Substances 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 3
- 238000000889 atomisation Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The utility model discloses an oil sprayer with a cooling structure, which comprises an oil sprayer and a cooling collar, wherein the oil sprayer is fixedly arranged at the top end of a cylinder cover, a spray head is arranged at the bottom end of the oil sprayer, the bottom end of the spray head penetrates through the cylinder cover and is arranged in a combustion chamber, the outer side of the spray head is sleeved with the cooling collar, the inner side of the cooling collar is provided with a heat conducting ring, the inner side of the heat conducting ring is contacted with the outer side of the spray head, the top end of the cooling collar is provided with a water inlet and a water outlet, and a cooling cavity is arranged in the cooling collar. Through cup jointing the cooling lantern ring in the shower nozzle outside of sprayer, can let the water in the coolant tank flow into the cooling chamber in the cooling lantern ring through first inlet tube, and then can cool off the shower nozzle of installing in the cylinder head, cooperate the water pump again and take out the water in the cooling lantern ring and flow into coolant tank again, form a hydrologic cycle, and then can practice thrift the use of cooling water, still avoided the operation of frequently adding cooling water simultaneously.
Description
Technical Field
The utility model relates to the technical field of fuel injectors, in particular to a fuel injector with a cooling structure.
Background
The fuel injector is a precise device with very high processing precision, and is required to have large dynamic flow range, strong anti-blocking and anti-pollution capabilities and good atomization performance. The fuel injector receives the fuel injection pulse signal sent by the ECU, and precisely controls the fuel injection quantity. The spray characteristics of the fuel injector include atomization granularity, oil mist distribution, oil beam direction, range, diffusion cone angle and the like. These characteristics should meet the requirements of diesel combustion systems to perfect mixture formation and combustion and achieve higher power and thermal efficiency.
The work of engine needs the sprayer to spout oil in the combustion chamber, and the head of sprayer is direct with the flame contact in the combustion chamber, and the temperature of head is very high, and near the fire face part of cylinder head receives the influence of in-cylinder combustion heat transfer in addition, and the heat load is great, and the cooling demand is stronger, and the sprayer self cooling performance of present engine is poor, need set up cooling structure for the sprayer.
To this end, we propose a fuel injector with a cooling structure.
Disclosure of utility model
The utility model mainly aims to provide the oil sprayer with the cooling structure, the outer side of the spray head of the oil sprayer is sleeved with the cooling lantern ring, so that water in the cooling water tank can flow into the cooling cavity in the cooling lantern ring through the first water inlet pipe, the spray head inserted in the cylinder head can be cooled, the water in the cooling lantern ring is pumped out by the water feeding pump and then flows into the cooling water tank, a water circulation is formed, the use of cooling water can be further saved, the operation of adding the cooling water frequently is avoided, and the problems in the background art can be effectively solved.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The oil sprayer with the cooling structure comprises an oil sprayer and a cooling lantern ring, wherein the oil sprayer is fixedly arranged at the top end of a cylinder cover, a spray head is arranged at the bottom end of the oil sprayer, the bottom end of the spray head penetrates through the cylinder cover and is arranged in a combustion chamber, and the cooling lantern ring is sleeved on the outer side of the spray head;
The inner side of the cooling lantern ring is provided with a heat conducting ring, the inner side of the heat conducting ring is contacted with the outer side of the spray head, the top end of the cooling lantern ring is provided with a water inlet and a water outlet, and the cooling lantern ring is internally provided with a cooling cavity.
Further, the top of water inlet has pegged graft first inlet tube, the one end that the cooling lantern ring was kept away from to first inlet tube peg graft with cooling water tank's bottom, electromagnetic valve has been cup jointed in the outside of first inlet tube.
Further, a semiconductor refrigerating device is sleeved on the outer side of the cooling water tank, a second water inlet pipe is arranged at the top of the cooling water tank, and a second connecting pipe is inserted into the top of the cooling water tank.
Further, a water outlet pipe is inserted into the top end of the water outlet, one end of the water outlet pipe, which is far away from the cooling lantern ring, is fixedly connected with the pumping end of the water pump, and the water outlet end of the water pump is fixedly connected with one end of the first connecting pipe.
Further, the bottom of the second connecting pipe penetrates through the top of the cooling water tank and is fixedly connected with the top of the spray header, the spray header is arranged at the inner top of the cooling water tank, and one end, away from the cooling water tank, of the second connecting pipe is connected and communicated with one end, away from the water pump, of the first connecting pipe.
Compared with the prior art, the utility model has the following beneficial effects: through cup jointing the cooling lantern ring in the shower nozzle outside of sprayer, can let the water in the coolant tank flow into the cooling chamber in the cooling lantern ring through first inlet tube, and then can cool off the shower nozzle of installing in the cylinder head, cooperate the water pump again and take out the water in the cooling lantern ring and flow into coolant tank again, form a hydrologic cycle, and then can practice thrift the use of cooling water, still avoided the operation of frequently adding cooling water simultaneously.
Drawings
Fig. 1 is a schematic perspective view of an injector with a cooling structure according to the present utility model.
FIG. 2 is a schematic plan sectional view of a fuel injector with cooling structure according to the present utility model.
FIG. 3 is a schematic view of a cooling collar of an injector with cooling structure according to the present utility model.
In the figure: 1. an oil injector; 2. a cooling collar; 3. a spray head; 4. a water inlet; 5. a water outlet; 6. a cooling chamber; 7. a combustion chamber; 8. a heat conducting ring; 9. a first water inlet pipe; 10. an electromagnetic valve; 11. a cylinder head; 12. a water outlet pipe; 13. a water pump; 14. a first connection pipe; 15. a spray header; 16. a semiconductor refrigeration device; 17. a cooling water tank; 18. a second water inlet pipe; 19. and a second connection pipe.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1, 2 and 3, the oil sprayer with the cooling structure comprises an oil sprayer 1 and a cooling lantern ring 2, wherein the oil sprayer 1 is fixedly arranged at the top end of a cylinder cover 11, a spray head 3 is arranged at the bottom end of the oil sprayer 1, the bottom end of the spray head 3 penetrates through the cylinder cover 11 and is arranged in a combustion chamber 7, and the cooling lantern ring 2 is sleeved on the outer side of the spray head 3;
The inner side of the cooling lantern ring 2 is provided with a heat conducting ring 8, the inner side of the heat conducting ring 8 is in contact with the outer side of the spray head 3, the top end of the cooling lantern ring 2 is provided with a water inlet 4 and a water outlet 5, and the cooling lantern ring 2 is internally provided with a cooling cavity 6;
The top end of the water inlet 4 is inserted with a first water inlet pipe 9, one end, far away from the cooling lantern ring 2, of the first water inlet pipe 9 is inserted with the bottom of a cooling water tank 17, and the outer side of the first water inlet pipe 9 is sleeved with an electromagnetic valve 10; the semiconductor refrigerating device 16 is sleeved on the outer side of the cooling water tank 17, a second water inlet pipe 18 is arranged at the top of the cooling water tank 17, and a second connecting pipe 19 is spliced at the top of the cooling water tank 17;
A water outlet pipe 12 is inserted into the top end of the water outlet 5, one end of the water outlet pipe 12, which is far away from the cooling lantern ring 2, is fixedly connected with the water pumping end of the water pump 13, and the water outlet end of the water pump 13 is fixedly connected with one end of the first connecting pipe 14; the bottom of second connecting pipe 19 passes the top of coolant tank 17 and the top fixed connection of shower head 15, the interior top of coolant tank 17 is located to shower head 15, the one end that coolant tank 17 was kept away from to second connecting pipe 19 is connected and is linked together with the one end that first connecting pipe 14 kept away from water pump 13, be connected between first connecting pipe 14 and the second connecting pipe 19 can set up a bit longer, carries out the cooling when being convenient for the hydrologic cycle.
It should be noted that, the present utility model is an injector with a cooling structure, firstly, the second water inlet pipe 18 is used for pouring proper water into the cooling water tank 17, when the engine works, the injector head 3 needs to be subjected to cooling treatment, the electromagnetic valve 10 is opened to guide the water in the cooling water tank 17 into the cooling cavity 6 in the cooling collar 2 through the first water inlet pipe 9, the water flows into the cooling cavity 6, the injector head 3 is further cooled through the heat conducting ring 8, when the water in the cooling cavity 6 is full, the water overflows into the water outlet pipe 12, at this time, the water pump 13 is started, the water in the water outlet pipe 12 is pumped into the first connecting pipe 14, the pumped water flows into the second connecting pipe 19 from the first connecting pipe 14, and then is sprayed into the cooling water tank 17 from the spray head 15 along the second connecting pipe 19, so as to form a water circulation, although the water temperature of the water flowing out of the cooling collar 2 is too high, the water is sprayed out through the flow of the first connecting pipe 14 and the second connecting pipe 19 and the spray head 15, the temperature of the water is properly reduced, and then the water in the cooling water tank 17 is cooled through the semiconductor device 16.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The oil sprayer with the cooling structure comprises an oil sprayer (1) and a cooling collar (2), and is characterized in that the oil sprayer (1) is fixedly arranged at the top end of a cylinder cover (11), a spray head (3) is arranged at the bottom end of the oil sprayer (1), the bottom end of the spray head (3) penetrates through the cylinder cover (11) and is arranged in a combustion chamber (7), and the cooling collar (2) is sleeved on the outer side of the spray head (3);
the cooling device is characterized in that a heat conducting ring (8) is arranged on the inner side of the cooling collar (2), the inner side of the heat conducting ring (8) is in contact with the outer side of the spray head (3), a water inlet (4) and a water outlet (5) are formed in the top end of the cooling collar (2), and a cooling cavity (6) is formed in the cooling collar (2).
2. A fuel injector with cooling structure according to claim 1, characterized in that: the top of water inlet (4) has pegged graft first inlet tube (9), the one end that cooling lantern ring (2) was kept away from to first inlet tube (9) peg graft with the bottom of coolant tank (17), electromagnetic valve (10) have been cup jointed in the outside of first inlet tube (9).
3. A fuel injector with cooling structure according to claim 2, characterized in that: the semiconductor refrigerating device (16) is sleeved on the outer side of the cooling water tank (17), a second water inlet pipe (18) is arranged at the top of the cooling water tank (17), and a second connecting pipe (19) is spliced at the top of the cooling water tank (17).
4. A fuel injector with cooling structure according to claim 1, characterized in that: the top of delivery port (5) is pegged graft and is had outlet pipe (12), the one end that cooling lantern ring (2) were kept away from to outlet pipe (12) is fixed connection with the pumping end of water pump (13), the one end fixed connection of the play water end of water pump (13) and first connecting pipe (14).
5. A fuel injector with cooling structure according to claim 3, characterized in that: the bottom of second connecting pipe (19) passes the top of coolant tank (17) and the top fixed connection of shower head (15), the interior top of coolant tank (17) is located to shower head (15), the one end that coolant tank (17) was kept away from to second connecting pipe (19) is connected and is linked together with the one end that water pump (13) was kept away from to first connecting pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420392925.4U CN221683094U (en) | 2024-03-01 | 2024-03-01 | Fuel injector with cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420392925.4U CN221683094U (en) | 2024-03-01 | 2024-03-01 | Fuel injector with cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221683094U true CN221683094U (en) | 2024-09-10 |
Family
ID=92622787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420392925.4U Active CN221683094U (en) | 2024-03-01 | 2024-03-01 | Fuel injector with cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221683094U (en) |
-
2024
- 2024-03-01 CN CN202420392925.4U patent/CN221683094U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |