CN203756303U - Cooling liquid nozzle assembly and engine - Google Patents
Cooling liquid nozzle assembly and engine Download PDFInfo
- Publication number
- CN203756303U CN203756303U CN201420086675.8U CN201420086675U CN203756303U CN 203756303 U CN203756303 U CN 203756303U CN 201420086675 U CN201420086675 U CN 201420086675U CN 203756303 U CN203756303 U CN 203756303U
- Authority
- CN
- China
- Prior art keywords
- coolant nozzle
- cooling liquid
- nozzle assembly
- end pipeline
- fluid supply
- 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 - Lifetime
Links
- 239000000110 cooling liquid Substances 0.000 title claims abstract description 50
- 239000007921 spray Substances 0.000 claims abstract description 30
- 239000002826 coolant Substances 0.000 claims description 62
- 239000012809 cooling fluid Substances 0.000 claims description 31
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005507 spraying Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 230000007547 defect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Nozzles (AREA)
Abstract
The utility model discloses a cooling liquid nozzle assembly and an engine. The cooling liquid nozzle assembly comprises a cooling liquid supply tail end pipeline and a cooling liquid nozzle. The cooling liquid nozzle is fixedly connected to the cooling liquid supply tail end pipeline and provided with at least two liquid spray holes, and the at least two liquid spray holes have different spray directions and are used for spraying cooling liquid from the cooling liquid supply tail end pipeline to an area, needing to be cooled, of a piston. The cooling liquid nozzle assembly is simple in structure and low in manufacturing cost, the area, with the cooling liquid sprayed, of the piston can be effectively increased, and therefore the cooling effect is improved, and the service life of the piston is prolonged. The cooling liquid nozzle assembly is applied to the engine, and the overall reliability of the engine can be effectively improved.
Description
Technical field
The utility model relates to automobile technical field, particularly relates to a kind of coolant nozzle assembly and motor.
Background technique
In the prior art, limited by the inner space of motor, coolant nozzle is often only sprayed onto certain less region of area on piston, and cooling effect is very limited.Piston moves for a long time under hot environment, causes the shorter and motor of piston life easily to break down.
Fig. 1 is the installment state schematic diagram of coolant nozzle assembly of the prior art.Fig. 2 is the local enlarged diagram of the coolant nozzle of the assembly of coolant nozzle shown in Fig. 1.In diagramatic technology scheme, carry out cooling by spraying cooling liquid to piston 11 to it.As shown in the figure, coolant nozzle 12 is arranged on cooling liquid outlet 13 places, and cooling liquid flow through cooling liquid pipeline 14, cooling liquid outlet 13, finally sprayed along the tangent direction straight line of cooling liquid outlet 13 by coolant nozzle 12, is sprayed onto on piston 11.In this kind of technological scheme, cooling liquid only can be sprayed onto certain region less on piston 11, and cooling effect is poor.
Therefore, wish a kind of coolant nozzle and can overcome or at least alleviate the above-mentioned defect of prior art.
Model utility content
The above-mentioned defect that provides a kind of coolant nozzle to overcome or at least alleviate prior art is provided the purpose of this utility model.
For achieving the above object, the utility model provides a kind of coolant nozzle assembly, and described coolant nozzle assembly comprises:
Cooling fluid supply end pipeline; And
Coolant nozzle, it is fixedly attached to described cooling fluid supply end pipeline, and there is a spray hole and a spiral guidance cavity, described spray hole is for being injected into the cooled region that needs of piston from the cooling liquid of described cooling fluid supply end pipeline, described spiral guidance cavity is arranged between described cooling fluid supply end pipeline and described spray hole, on the inwall of described spiral guidance cavity with spiral chute.
Preferably, between described spray hole central axis and the central axis of described spiral guidance cavity, there is angle, the central axes of the central axis of described spiral guidance cavity and described cooling fluid supply end pipeline.
Preferably, described angle is between 3 degree and 10 degree.
Preferably, described angle is 5 degree.
Preferably, the long-pending effective cross-sectional flow area that is less than described spiral guidance cavity of effective through flow cross section of described spray hole.
Preferably, between described coolant nozzle and the cooling liquid outlet of described cooling fluid supply end pipeline, be provided with pressure stabilizing cavity.
Preferably, effective cross-sectional flow area of described spiral guidance cavity is less than effective cross-sectional flow area of described cooling fluid supply end pipeline.
Preferably, described cooling fluid supply end pipeline is at its cooling liquid outlet place with flange connector, and described coolant nozzle welds or be bonded to described flange connector.
The utility model also provides a kind of motor, and described motor is conventional engine, and comprises coolant nozzle assembly as above.
Above-mentioned coolant nozzle assembly structure is simple, and low cost of manufacture effectively increases cooling liquid and is ejected into the area on piston, improve cooling effect, reduce the time of piston hot operation, extend piston working life, be applied in motor, effectively improve the reliability of motor.
Brief description of the drawings
Fig. 1 is the installment state schematic diagram of coolant nozzle assembly of the prior art.
Fig. 2 is the local enlarged diagram at the coolant nozzle place of the assembly of coolant nozzle shown in Fig. 1.
Fig. 3 is according to the installment state schematic diagram of the utility model one embodiment's coolant nozzle assembly.
Fig. 4 is that cross-sectional schematic is amplified in the part of coolant nozzle shown in Fig. 3.
Reference character:
| 11 | Piston | 241 | Cooling fluid supply end pipeline |
| 12 | Coolant nozzle | 221 | Coolant nozzle main body |
| 13 | Cooling liquid outlet | 222 | Spray hole |
| 14 | Cooling liquid pipeline | 223 | Spiral guide body |
| 21 | Piston | 224 | Spiral guidance cavity |
| 22 | Coolant nozzle | 224a | Spiral chute |
| 23 | Cooling liquid outlet | 225 | Pressure stabilizing cavity |
| 24 | Cooling liquid pipeline |
Embodiment
For object, technological scheme and advantage that the utility model is implemented are clearer, below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary below by the embodiment who is described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of instructions such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as the restriction to the utility model protection domain.
Comprise according to the utility model one wide in range embodiment's coolant nozzle assembly: cooling fluid supply end pipeline and coolant nozzle.Described coolant nozzle is fixedly attached to described cooling fluid supply end pipeline, and has a spray hole and a spiral guidance cavity.Described spray hole is for being injected into the cooled region that needs of piston from the cooling liquid of described cooling fluid supply end pipeline, described spiral guidance cavity is arranged between described cooling fluid supply end pipeline and described spray hole, on the inwall of described spiral guidance cavity with spiral chute.
In above-mentioned coolant nozzle assembly, be provided with spiral guide groove, make the cooling liquid ejecting can be dispersion angle ejaculation, be ejected into the area on piston thereby effectively increase cooling liquid, improve cooling effect, reduce the time of piston hot operation, extend piston working life.In addition, this kind of coolant nozzle assembly structure is simple, low cost of manufacture.While being applied in motor, can also effectively improve the reliability of motor.
Fig. 3 is according to the schematic diagram of the utility model one embodiment's coolant nozzle assembly.Fig. 4 is the local enlarged diagram at coolant nozzle place.
Referring to Fig. 3, carry out cooling by spraying cooling liquid to piston 21 to it.As shown in the figure, coolant nozzle 22 is arranged on cooling liquid outlet 23 places, and cooling liquid flow through cooling liquid pipeline 24, cooling liquid outlet 23, finally disperse ejection by coolant nozzle 22, is sprayed onto on piston 21.Cooling liquid outlet 23 is cooling liquid outlets of cooling liquid pipeline 24.
Diagram coolant nozzle assembly comprises cooling fluid supply end pipeline 241 and coolant nozzle coolant nozzle 22.Cooling fluid supply end pipeline 241 is parts of whole cooling liquid pipeline 24, and it is communicated with coolant nozzle coolant nozzle 22, by cooling fluid supply to coolant nozzle 22.
Coolant nozzle 22 is fixedly attached to cooling fluid supply end pipeline 241, and cooling liquid is injected into piston needs cooling part.Coolant nozzle 22 has a spray hole 222 and a spiral guidance cavity 224.Described spray hole 222 is for finally will being injected into the cooled region that needs of piston from the cooling liquid of described cooling fluid supply end pipeline 241.Spiral guidance cavity 224 is arranged between described cooling fluid supply end pipeline 241 and described spray hole 222, on the inwall of described spiral guidance cavity 224 with spiral chute 224a, for the cooling liquid of flowing through is carried out to spiral guiding, be beneficial to the injection of dispersing of cooling liquid.
In the illustrated embodiment, spiral guidance cavity 224 is arranged in spiral guide body 223, and spiral guide body 223 is arranged in coolant nozzle main body 221, be provided with liquid-spraying pipe at the end (upper end in Fig. 4) of coolant nozzle main body 221, spray hole 222 is positioned at described liquid-spraying pipe.Be understandable that, coolant nozzle of the present utility model is not limited to this kind of structure, but can adopt any suitable structure, as long as have the spray hole and the spiral guidance cavity that are interconnected.
As shown in Figure 4, between the central axis of the spray hole 222 that form is cylindrical hole and the central axis of described spiral guidance cavity 224, there is included angle A, the central axes of the central axis of described spiral guidance cavity and described cooling fluid supply end pipeline.This is conducive to make hydrojet to be carried out with the form of more dispersing, and is conducive to expand film-cooled heat.
Described included angle A can arrange as required, preferably between 3 degree and 10 degree.More preferably described angle is 5 degree.
For the pressure and the distance that ensure to spray, the long-pending effective cross-sectional flow area that is less than described spiral guidance cavity of effective through flow cross section of described spray hole.In one embodiment, 1/2nd of the long-pending effective cross-sectional flow area that is less than described spiral guidance cavity of effective through flow cross section of described spray hole.In another embodiment, effective through flow cross section of described spray hole is long-pending be less than described spiral guidance cavity effective cross-sectional flow area 1/4th.In another embodiment, 1/8th of the long-pending effective cross-sectional flow area that is less than described spiral guidance cavity of effective through flow cross section of described spray hole.Now, the diameter of spray hole is 1.5 millimeters to 6 millimeters.
As shown in the figure, between described coolant nozzle and the cooling liquid outlet of described cooling fluid supply end pipeline, be provided with pressure stabilizing cavity 225.
Advantageously, effective cross-sectional flow area of described spiral guidance cavity is less than effective cross-sectional flow area of described cooling fluid supply end pipeline.Also be greater than effective cross-sectional flow area of spiral guidance cavity 224 simultaneously.
For the ease of connecting and installing, preferably, described cooling fluid supply end pipeline is at its cooling liquid outlet place with flange connector, and described coolant nozzle welds or be bonded to described flange connector.Certainly, also can adopt illustrated structure to weld.
The utility model also provides a kind of motor, and described motor is conventional engine, and comprises coolant nozzle assembly as above.
Above-mentioned coolant nozzle assembly structure is simple, low cost of manufacture, and cooling liquid becomes coniform ejection by spray hole, effectively increases cooling liquid and is ejected into the area on piston, improves cooling effect.Above-mentioned coolant nozzle assembly is applied to conventional engine etc. to be had on the motor of piston, reduces the time of piston hot operation, extends piston working life, improves the reliability of motor, has great practical significance.
Finally it is to be noted: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit.Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technological scheme that still can record aforementioned each embodiment is modified, or part technical characteristics is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the each embodiment's technological scheme of the utility model.
Claims (9)
1. a coolant nozzle assembly, is characterized in that, comprising:
Cooling fluid supply end pipeline; And
Coolant nozzle, it is fixedly attached to described cooling fluid supply end pipeline, and there is a spray hole and a spiral guidance cavity, described spray hole is for being injected into the cooled region that needs of piston from the cooling liquid of described cooling fluid supply end pipeline, described spiral guidance cavity is arranged between described cooling fluid supply end pipeline and described spray hole, on the inwall of described spiral guidance cavity with spiral chute.
2. coolant nozzle assembly as claimed in claim 1, it is characterized in that, between described spray hole central axis and the central axis of described spiral guidance cavity, there is angle, the central axes of the central axis of described spiral guidance cavity and described cooling fluid supply end pipeline.
3. coolant nozzle assembly as claimed in claim 2, is characterized in that, described angle is between 3 degree and 10 degree.
4. coolant nozzle assembly as claimed in claim 2, is characterized in that, described angle is 5 degree.
5. coolant nozzle assembly as claimed in claim 1, is characterized in that, the long-pending effective cross-sectional flow area that is less than described spiral guidance cavity of effective through flow cross section of described spray hole.
6. coolant nozzle assembly as claimed in claim 1, is characterized in that, between described coolant nozzle and the cooling liquid outlet of described cooling fluid supply end pipeline, is provided with pressure stabilizing cavity.
7. coolant nozzle assembly as claimed in claim 1, is characterized in that, effective cross-sectional flow area of described spiral guidance cavity is less than effective cross-sectional flow area of described cooling fluid supply end pipeline.
8. coolant nozzle assembly as claimed in claim 1, is characterized in that, described cooling fluid supply end pipeline is at its cooling liquid outlet place with flange connector, and described coolant nozzle welds or be bonded to described flange connector.
9. a motor, described motor is conventional engine, it is characterized in that, comprises the coolant nozzle assembly as described in any one in claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420086675.8U CN203756303U (en) | 2014-02-27 | 2014-02-27 | Cooling liquid nozzle assembly and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420086675.8U CN203756303U (en) | 2014-02-27 | 2014-02-27 | Cooling liquid nozzle assembly and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203756303U true CN203756303U (en) | 2014-08-06 |
Family
ID=51251589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420086675.8U Expired - Lifetime CN203756303U (en) | 2014-02-27 | 2014-02-27 | Cooling liquid nozzle assembly and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203756303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107614845A (en) * | 2015-05-28 | 2018-01-19 | 日立汽车系统株式会社 | The cooling device of internal combustion engine atomizer and piston for IC engine |
-
2014
- 2014-02-27 CN CN201420086675.8U patent/CN203756303U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107614845A (en) * | 2015-05-28 | 2018-01-19 | 日立汽车系统株式会社 | The cooling device of internal combustion engine atomizer and piston for IC engine |
| CN107614845B (en) * | 2015-05-28 | 2020-04-21 | 日立汽车系统株式会社 | Oil nozzle for internal combustion engine and cooling device for piston for internal combustion engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |