CN203756302U - Piston cooling nozzle assembly and engine - Google Patents
Piston cooling nozzle assembly and engine Download PDFInfo
- Publication number
- CN203756302U CN203756302U CN201420086309.2U CN201420086309U CN203756302U CN 203756302 U CN203756302 U CN 203756302U CN 201420086309 U CN201420086309 U CN 201420086309U CN 203756302 U CN203756302 U CN 203756302U
- Authority
- CN
- China
- Prior art keywords
- piston cooling
- piston
- cooling liquid
- cooling nozzle
- nozzle assembly
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 60
- 239000000110 cooling liquid Substances 0.000 claims abstract description 59
- 239000007921 spray Substances 0.000 claims description 57
- 238000002347 injection Methods 0.000 claims description 26
- 239000007924 injection Substances 0.000 claims description 26
- 230000002093 peripheral effect Effects 0.000 claims description 22
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract 5
- 239000007788 liquid Substances 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a piston cooling nozzle assembly and an engine. The piston cooling nozzle assembly comprises a piston cooling liquid pipeline and a piston cooling nozzle. The piston cooling nozzle is fixedly connected to the piston cooling liquid pipeline and comprises at least two liquid spraying holes with different spraying directions, and the liquid spraying holes are used for spraying cooling liquid of the piston cooling liquid pipeline to a piston area needing cooling. The piston cooling nozzle assembly is simple in structure and low in manufacturing cost, effectively increases the cooling liquid spraying area on a piston, improves cooling effect, reduces piston high-temperature operation time, prolongs the service life of the piston, is applied to the engine and effectively improves reliability of the engine.
Description
Technical field
The utility model relates to automobile technical field, particularly relates to a kind of piston cooling nozzle assembly and motor.
Background technique
In the prior art, limited by the inner space of motor, piston cooling 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 piston cooling nozzle assembly of the prior art.Fig. 2 is the local enlarged diagram of piston cooling nozzle shown in Fig. 1.Piston cooling nozzle 02 is arranged on cooling liquid outlet 03 place, and cooling liquid flow through cooling liquid pipeline 04, cooling liquid outlet 03, finally sprayed along the tangent direction straight line of cooling liquid outlet 03 by piston cooling nozzle 02, is sprayed onto on piston 01.Cooling liquid only can be sprayed onto certain region less on piston 01, and cooling effect is poor.
Therefore, wish a kind of piston cooling 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 piston cooling 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 piston cooling nozzle assembly, and described piston cooling nozzle assembly comprises: piston cooling liquid pipeline; And piston cooling nozzle, it is fixedly attached to described piston cooling liquid pipeline, and have at least two spray holes, described at least two spray holes have different injection directions, for being injected into the cooled region that needs of piston from the cooling liquid of described piston cooling liquid pipeline.
Preferably, described at least two spray holes comprise Yi Ge center spray hole and at least two peripheral spray holes, described peripheral spray hole evenly arranges around described center spray hole, and the injection direction of described peripheral spray hole becomes a setting angle with the injection direction of described center spray hole.
Preferably, the tangent direction of the cooling liquid outlet of the injection direction of described center spray hole and described piston cooling liquid pipeline point-blank.
Preferably, the number of described peripheral spray hole is six or eight.
Preferably, in the scope of the angle between injection direction and the injection direction of described peripheral spray hole of described center spray hole between 3 degree to 10 degree.
Preferably, the angle between injection direction and the injection direction of described peripheral spray hole of described center spray hole is 5.5 degree.
Preferably, between described piston cooling nozzle and the cooling liquid outlet of piston cooling liquid pipeline, be provided with pressure stabilizing cavity.
Preferably, the long-pending effective cross-sectional flow area that is less than described piston cooling liquid pipeline of total effectively through flow cross section of described at least two spray holes.
Preferably, described piston cooling liquid pipeline is at its cooling liquid outlet place with flange connector, and described piston cooling nozzle welds or be bonded to described flange connector.
The utility model also provides a kind of motor, and described motor is conventional engine, comprises above-mentioned piston cooling nozzle assembly.
Above-mentioned piston cooling 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 piston cooling nozzle assembly of the prior art.
Fig. 2 is the local enlarged diagram of piston cooling nozzle shown in Fig. 1.
Fig. 3 is according to the installment state schematic diagram of the utility model one embodiment's piston cooling nozzle assembly.
Fig. 4 is that cross-sectional schematic is amplified in the part of piston cooling nozzle shown in Fig. 3.
Fig. 5 is that schematic top plan view is amplified in the part of piston cooling nozzle shown in Fig. 3.
Reference character:
| 01 | Piston | 4 | Cooling liquid pipeline |
| 02 | Piston cooling nozzle | 21 | Piston cooling nozzle main body |
| 03 | Cooling liquid outlet | 22 | Flange connector |
| 04 | Cooling liquid pipeline | 23 | Peripheral spray hole |
| 1 | Piston | 24 | Center spray hole |
| 2 | Piston cooling nozzle | 25 | Pressure stabilizing cavity |
| 3 | Cooling liquid outlet |
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.
Fig. 3 is according to the installment state schematic diagram of the utility model one embodiment's piston cooling nozzle assembly.Fig. 4 is the local enlarged diagram of piston cooling nozzle shown in Fig. 3.
The assembly of piston cooling nozzle shown in Fig. 3 comprises: piston cooling liquid pipeline 4 and piston cooling nozzle 2.
Referring to as 3 and Fig. 4, piston cooling nozzle 2 is fixedly attached to piston cooling liquid pipeline 4.Piston cooling nozzle 2 has at least two spray holes, and described at least two spray holes have different injection directions, for being injected into the cooled region that needs of piston 1 from the cooling liquid of piston cooling liquid pipeline 4.
Referring to Fig. 4 and Fig. 5, described at least two spray holes comprise Yi Ge center spray hole 24 and eight peripheral spray holes 23, and peripheral spray hole 23 evenly arranges around center spray hole 24.And the injection direction of peripheral spray hole 23 becomes a setting angle with the injection direction of center spray hole 24, cooling liquid becomes coniform ejection.
Referring to Fig. 4, the tangent direction of the cooling liquid outlet 3 of the injection direction of center spray hole 24 and piston cooling liquid pipeline 4, is i.e. positioned at middle arrow in the ejection of cooling liquid shown in Fig. 4 signal arrow point-blank.The number of peripheral spray hole 23 can be four, five, six or eight etc., and the number of peripheral spray hole 23 is set according to actual conditions.
Angle between the injection direction of the injection direction of center spray hole 24 and peripheral spray hole 23 is preferably in the scope between 3 degree to 10 degree.Make cooling liquid be injected in area on piston 1 larger, and avoid because inclination angle cannot be ejected into more greatly the cooling liquid on piston 1.For example, the angle between the injection direction of center spray hole 24 and the injection direction of described peripheral spray hole 23 is 5.5 degree.
Concrete corner dimension between the injection direction of the injection direction of center spray hole 24 and peripheral spray hole 23 is selected according to cylinder diameter, the stroke etc. of different motors, the motor that the large stroke of cylinder diameter is short, this angle will be larger, and long this angle of motor of the little stroke of cylinder diameter will be little.
Referring to Fig. 4, between described piston cooling nozzle 2 and the cooling liquid outlet 3 of piston cooling liquid pipeline 4, be provided with pressure stabilizing cavity 25.Be conducive to cooling liquid by lasting, the stable ejection of spray hole.
The long-pending effective cross-sectional flow area that is less than piston cooling liquid pipeline 4 of total effectively through flow cross section of center spray hole 24 and peripheral spray hole 23, being conducive to has enough cooling liquid ejections at spray hole place, guarantee cooling liquid ejection distance.
Referring to Fig. 4, piston cooling liquid pipeline 4 is at its cooling liquid outlet 3 places with flange connector 22, and piston cooling nozzle 21 welds or be bonded to flange connector 22.Avoid the diameter of pressure stabilizing cavity 25 of piston cooling nozzle 21 excessive, be not easy to be directly installed on cooling liquid outlet 3 places.
Above-mentioned piston cooling nozzle assembly structure is simple, low cost of manufacture, and cooling liquid has spray hole to become coniform ejection, effectively increases cooling liquid and is ejected into the area on piston, improves cooling effect.Above-mentioned piston cooling 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 (10)
1. a piston cooling nozzle assembly, is characterized in that, comprising:
Piston cooling liquid pipeline; And
Piston cooling nozzle, it is fixedly attached to described piston cooling liquid pipeline, and have at least two spray holes, described at least two spray holes have different injection directions, for being injected into the cooled region that needs of piston from the cooling liquid of described piston cooling liquid pipeline.
2. piston cooling nozzle assembly as claimed in claim 1, it is characterized in that, described at least two spray holes comprise Yi Ge center spray hole and at least two peripheral spray holes, described peripheral spray hole evenly arranges around described center spray hole, and the injection direction of described peripheral spray hole becomes a setting angle with the injection direction of described center spray hole.
3. piston cooling nozzle assembly as claimed in claim 2, is characterized in that, the tangent direction of the cooling liquid outlet of the injection direction of described center spray hole and described piston cooling liquid pipeline point-blank.
4. piston cooling nozzle assembly as claimed in claim 2, is characterized in that, the number of described peripheral spray hole is six or eight.
5. the piston cooling nozzle assembly as described in any one in claim 2-4, is characterized in that, in the scope of the angle between injection direction and the injection direction of described peripheral spray hole of described center spray hole between 3 degree to 10 degree.
6. the piston cooling nozzle assembly as described in any one in claim 2-4, is characterized in that, the angle between injection direction and the injection direction of described peripheral spray hole of described center spray hole is 5.5 degree.
7. piston cooling nozzle assembly as claimed in claim 1, is characterized in that, between described piston cooling nozzle and the cooling liquid outlet of piston cooling liquid pipeline, is provided with pressure stabilizing cavity.
8. piston cooling nozzle assembly as claimed in claim 1, is characterized in that, the long-pending effective cross-sectional flow area that is less than described piston cooling liquid pipeline of total effectively through flow cross section of described at least two spray holes.
9. piston cooling nozzle assembly as claimed in claim 1, is characterized in that, described piston cooling liquid pipeline is at its cooling liquid outlet place with flange connector, and described piston cooling nozzle welds or be bonded to described flange connector.
10. a motor, described motor is conventional engine, it is characterized in that, comprises piston cooling nozzle assembly as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420086309.2U CN203756302U (en) | 2014-02-27 | 2014-02-27 | Piston cooling nozzle assembly and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420086309.2U CN203756302U (en) | 2014-02-27 | 2014-02-27 | Piston cooling nozzle assembly and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203756302U true CN203756302U (en) | 2014-08-06 |
Family
ID=51251588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420086309.2U Expired - Lifetime CN203756302U (en) | 2014-02-27 | 2014-02-27 | Piston cooling nozzle assembly and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203756302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832892A (en) * | 2019-11-22 | 2021-05-25 | 沪东重机有限公司 | Marine low-speed diesel engine piston cooling oil jet disc and piston |
-
2014
- 2014-02-27 CN CN201420086309.2U patent/CN203756302U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832892A (en) * | 2019-11-22 | 2021-05-25 | 沪东重机有限公司 | Marine low-speed diesel engine piston cooling oil jet disc and piston |
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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 |
Granted publication date: 20140806 |
|
| CX01 | Expiry of patent term |