CN112648103B - Engine cylinder cover water jacket and engine - Google Patents
Engine cylinder cover water jacket and engine Download PDFInfo
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- CN112648103B CN112648103B CN202011643904.8A CN202011643904A CN112648103B CN 112648103 B CN112648103 B CN 112648103B CN 202011643904 A CN202011643904 A CN 202011643904A CN 112648103 B CN112648103 B CN 112648103B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/36—Cylinder heads having cooling means for liquid cooling
- F02F1/40—Cylinder heads having cooling means for liquid cooling cylinder heads with means for directing, guiding, or distributing liquid stream
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an engine cylinder cover water jacket and an engine, which comprise a main sleeve body and a side sleeve body; the main sleeve body is provided with an air inlet side and an air outlet side oppositely, the front end of an engine and the rear end of the engine are arranged oppositely, the main sleeve body is provided with a main water cavity, the main sleeve body is provided with a water inlet and a water outlet which are communicated with the main water cavity, the water inlet is arranged on the air inlet side, the water outlet is arranged at the rear end of the engine, the side sleeve body is arranged on the air outlet side, the side sleeve body is provided with a side water cavity, the side water cavity is arranged on the air outlet side of the main water cavity and communicated to the water outlet through the main water cavity, the air outlet side of the main sleeve body is sequentially provided with a first water port, a second water port and a third water port at intervals in the direction of the front end of the engine and the rear end of the engine, two side sleeve water ports are respectively arranged at the two ends of the side sleeve body, the first water port is communicated with the one side sleeve water port, the third water port is communicated with the other side sleeve water port, and the second water port extends into the side water cavity through a guide pipe. The invention discloses an engine cylinder cover water jacket and an engine, and aims to solve the problems that in the prior art, the cylinder cover water jacket is poor in cooling performance and cannot meet the requirement of engine heat dissipation.
Description
Technical Field
The invention relates to the technical field of engines, in particular to an engine cylinder cover water jacket and an engine.
Background
Along with the improvement of the traveling requirements of people, the power performance of an engine is continuously improved, the compression ratio is higher and higher, the heat released in a cylinder is increased, but along with the stricter and stricter emission regulations, the temperature is limited by increasing the concentration and reducing the temperature. The requirement on the cooling performance of the engine water jacket is higher, while the cooling performance of the cylinder cover water jacket in the traditional technology is poorer, and the requirement on the heat dissipation of the engine cannot be met.
Disclosure of Invention
The invention discloses an engine cylinder cover water jacket and an engine, and aims to solve the problem that the cooling performance of the cylinder cover water jacket is poor and the requirement of heat dissipation of the engine cannot be met in the prior art.
To achieve the above object, the present invention provides an engine cylinder head water jacket, comprising:
the main sleeve body is provided with an air inlet side and an air exhaust side which are oppositely arranged, and is provided with an engine front end and an engine rear end which are oppositely arranged, a main water cavity is formed inside the main sleeve body, the main sleeve body is provided with a water inlet and a water outlet which are communicated with the main water cavity, the water inlet is arranged on the air inlet side of the main sleeve body, and the water outlet is arranged at the engine rear end of the main sleeve body; and the number of the first and second groups,
the side sleeve body is arranged on the exhaust side of the main sleeve body, a side water cavity is formed inside the side sleeve body, the side water cavity is formed on the exhaust side of the main water cavity, and the side water cavity is communicated with the main water cavity and communicated to the water outlet through the main water cavity;
the exhaust side of the main sleeve body is provided with a first water gap, a second water gap and a third water gap at intervals in sequence in the direction of the front end of the engine and the rear end of the engine, two ends of the side sleeve body are respectively provided with two side sleeve water gaps, the first water gap is communicated with one of the side sleeve water gaps, the third water gap is communicated with the other side sleeve water gap, and the second water gap extends into the side water cavity via a conduit.
Optionally, a first area is formed at the front end of the engine of the main sleeve body close to the air inlet side of the main sleeve body, the first area inclines outwards from the air inlet side to the air outlet side, and the inclination of the first area is 15 °.
Optionally, the exhaust side of the main sleeve body is formed with a second area, the second area is inclined outwards from the air inlet side to the exhaust side to form a second area, and the inclination of the second area is 5 °;
the first water gap, the second water gap and the third water gap are arranged in the second area at intervals along the direction of the front end and the rear end of the engine.
Optionally, a third area connected with the first area is formed on the air inlet side of the main sleeve body, and the third area is arranged from the front end of the engine to the rear end of the engine in an outward inclined mode.
Optionally, the exhaust side of the main jacket body is formed with a fourth area, and the fourth area is located between the second area and the third area;
the fourth area is inclined outward from the exhaust side to the intake side, and is inclined outward from the front end of the engine to the rear end of the engine.
Optionally, a partition plate is arranged in the main sleeve body, the main water cavity is divided into an upper-layer water cavity and a lower-layer water cavity by the partition plate, and the upper-layer water cavity is communicated with the lower-layer water cavity.
Optionally, two sides of the partition plate are formed with flow rising portions, the flow rising portions are arranged in an inclined manner from the middle of the partition plate to the two sides of the partition plate towards the upper water chamber, and the flow rising portions are used for guiding and lifting the cooling water in the lower water chamber to the upper water chamber.
Optionally, the number of the partition plates is multiple, and the plurality of partition plates are arranged at intervals in the direction of the front end and the rear end of the engine in the main sleeve.
Optionally, the engine cylinder head water jacket further comprises an auxiliary jacket body located at the engine rear end of the main jacket body, an auxiliary water cavity is formed inside the auxiliary jacket body, and the auxiliary water cavity is used for containing cylinder body cooling water.
The invention also provides an engine, comprising an engine cylinder head water jacket, wherein the engine cylinder head water jacket comprises:
the main sleeve body is provided with an air inlet side and an air exhaust side which are oppositely arranged, and is provided with an engine front end and an engine rear end which are oppositely arranged, a main water cavity is formed inside the main sleeve body, the main sleeve body is provided with a water inlet and a water outlet which are communicated with the main water cavity, the water inlet is arranged on the air inlet side of the main sleeve body, and the water outlet is arranged at the engine rear end of the main sleeve body; and the number of the first and second groups,
the side sleeve body is arranged on the exhaust side of the main sleeve body, a side water cavity is formed in the side sleeve body, the side water cavity is formed on the exhaust side of the main water cavity, and the side water cavity is communicated with the main water cavity and communicated to the water outlet through the main water cavity;
the exhaust side of the main sleeve body is provided with a first water gap, a second water gap and a third water gap at intervals in sequence in the direction of the front end of the engine and the rear end of the engine, two ends of the side sleeve body are respectively provided with two side sleeve water gaps, the first water gap is communicated with one of the side sleeve water gaps, the third water gap is communicated with the other side sleeve water gap, and the second water gap extends into the side water cavity via a conduit.
According to the technical scheme provided by the invention, the water jacket of the engine cylinder cover comprises a main jacket body and side jacket bodies, a first water gap, a second water gap and a third water gap are sequentially arranged on the exhaust side of the main jacket body at intervals in the direction of the front end and the rear end of the engine, two side jacket water gaps are respectively arranged at two ends of each side jacket body, the first water gap is communicated with one side jacket water gap, the third water gap is communicated with the other side jacket water gap, and the second water gap extends into a side water cavity through a guide pipe. Therefore, one part of water flow entering from the water inlet is discharged from the water outlet through the main water cavity, the other part of the water flow flows into the side water cavity through the first water port and the third water port, and then is discharged from the water outlet after passing through the main water cavity through the side water cavity. Therefore, the water flow in the water jacket of the cylinder cover of the engine can flow along the directions of the air inlet side and the air outlet side and also flow along the directions of the front end and the rear end of the engine, so that the flow range of the water flow is wide, and the cooling performance of the water jacket of the cylinder cover is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a front view structure of a water jacket of an engine cylinder head according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a main housing body of the water jacket of the engine head shown in FIG. 1 at a first perspective;
FIG. 3 is a schematic diagram of a main jacket body of the water jacket of the engine head shown in FIG. 1 at a second perspective;
FIG. 4 is a schematic structural diagram of a main jacket body of the water jacket of the engine head shown in FIG. 1 at a third viewing angle;
fig. 5 is a schematic structural diagram of a main jacket body of the water jacket of the engine cylinder head shown in fig. 1 at a fourth viewing angle.
Description of the reference numerals
| Reference numerals | Name (R) | Reference numerals | Name (R) |
| 1000 | Engine cylinder |
130 | |
| 100 | |
140 | |
| 100a | |
141 | Rising |
| 100b | |
150 | Waist- |
| 100c | A |
200 | |
| 100d | |
210 | |
| 111 | |
220 | Side |
| 112 | |
300 | |
| 113 | |
310 | |
| 120 | Water inlet |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Along with the improvement of the traveling requirements of people, the power performance of an engine is continuously improved, the compression ratio is higher and higher, the heat released in a cylinder is increased, but along with the stricter and stricter emission regulations, the temperature is limited by increasing the concentration and reducing the temperature. The requirement on the cooling performance of the engine water jacket is higher, while the cooling performance of the cylinder cover water jacket in the traditional technology is poorer, and the requirement on the heat dissipation of the engine cannot be met.
In view of this, the present invention provides an engine head water jacket 1000 and an engine. In the drawings of the present specification, fig. 1 is a schematic front view of an engine head water jacket 1000 according to an embodiment of the present invention, fig. 2 is a schematic front view of a main sleeve 100 of the engine head water jacket 1000 shown in fig. 1 at a first viewing angle, fig. 3 is a schematic front view of the main sleeve 100 of the engine head water jacket 1000 shown in fig. 1 at a second viewing angle, and fig. 4 is a schematic front view of the main sleeve 100 of the engine head water jacket 1000 shown in fig. 1 at a third viewing angle; fig. 5 is a schematic structural diagram of the main housing body 100 of the engine head water jacket 1000 shown in fig. 1 at a fourth viewing angle.
Specifically, the engine cylinder head water jacket 1000 includes a main jacket body 100 and a side jacket body 200, the main jacket body 100 has an air inlet side and an air outlet side which are oppositely arranged, and has an engine front end and an engine rear end which are oppositely arranged, a main water chamber is formed inside the main jacket body 100, a water inlet 120 and a water outlet 130 which are communicated with the main water chamber are formed on the main jacket body 100, the water inlet 120 is arranged on the air inlet side of the main jacket body 100, the water outlet 130 is arranged on the engine rear end of the main jacket body 100, the side jacket body 200 is arranged on the air outlet side of the main jacket body 100, a side water chamber 210 is formed inside the side jacket body 200, the side water chamber 210 is formed on the air outlet side of the main water chamber, the side water chamber 210 is communicated with the main water chamber and communicated with the water outlet 130 via the main water chamber, a first water gap 111, a second water gap 112 and a third water gap 113 are sequentially arranged at intervals from the direction of the engine front end and the engine rear end on the air outlet side jacket body 100, two ends of the side jacket body 200 are respectively provided with two side jackets 220, the first water gap 111 is communicated with one side sleeve water gap 220, the third water gap 113 is communicated with the other side sleeve water gap 220, and the second water gap 112 extends into the side water cavity 210 through a conduit.
In the technical scheme provided by the invention, an engine cylinder cover water jacket 1000 comprises a main jacket body 100 and a side jacket body 200, a first water gap 111, a second water gap 112 and a third water gap 113 are sequentially arranged at an interval on the exhaust side of the main jacket body 100 from the direction of the front end and the rear end of an engine, two side jacket water gaps 220 are respectively arranged at two ends of the side jacket body 200, the first water gap 111 is communicated with one side jacket water gap 220, the third water gap 113 is communicated with the other side jacket water gap 220, and the second water gap 112 extends into a side water cavity 210 through a guide pipe. Thus, a portion of the water entering the water inlet 120 is discharged from the water outlet 130 through the main water chamber,
the other part flows into the side water cavity 210 through the first water port 111 and the side sleeve water port 220, flows into the main water cavity through the side sleeve water port 220 and the third water port 113, and is discharged from the water outlet 130.
Therefore, the water flow flowing in the directions of the air inlet side and the air outlet side and the water flow flowing in the directions of the front end and the rear end of the engine in the water jacket 1000 of the cylinder head of the engine can be ensured, the flowing range of the water flow is wide, and the cooling performance of the water jacket of the cylinder head is improved.
Each cylinder of the main sleeve body 100 is provided with a water inlet 120, and further divided into two branches, wherein the cross-sectional area of the branch at the foremost end of one cylinder is the largest, and the cross-sectional areas of the other branches are the same.
The exhaust side of the main sleeve body 100 is provided with the side sleeve body 200, so that the water flow in the main water cavity is better in fluidity, the heights of the water jacket feet of the side sleeve body 200 are different, and the height of the water jacket foot of the front three cylinders is lower than that of the water jacket foot of the fourth cylinder.
In order to improve the water flow mobility in the main water cavity of the main sleeve body 100, in the technical scheme of the invention, a first area 100a is formed at the front end of the engine of the main sleeve body 100, which is close to the air inlet side of the main sleeve body, the first area 100a inclines outwards from the air inlet side to the air outlet side, and the inclination of the first area 100a is 15 °. The main sleeve body 100 is partially arranged in an inclined manner, so that conditions are created for reasonable flow of water flow.
Further, the exhaust side of the main housing 100 is formed with a second region 100b inclined outward from the intake side to the exhaust side, the inclination of the second region 100b is 5 °, and the first, second, and third water ports 111, 112, and 113 are provided at intervals in the second region 100b in the direction of the front end and the rear end of the engine. By providing the main sleeve 100 with a partially inclined shape corresponding to the first, second, and third ports 111, 112, and 113, the cooling water can flow more smoothly.
Further, the intake side of the main casing 100 is formed with a third region 100c connected to the first region 100a, the third region 100c being disposed obliquely outward from the front end of the engine to the rear end of the engine. In order to improve the cooperation between the areas, the third area 100c connected to the first area 100a may also be inclined, so as to better promote the flow of the cooling water flow and further improve the cooling effect of the cylinder head water jacket.
In order to improve the synergistic effect, the exhaust side of the main casing 100 is formed with a fourth area 100d, the fourth area 100d is located between the second area 100b and the third area 100c, the fourth area 100d is disposed to be inclined outward from the exhaust side to the intake side, and the fourth area 100d is disposed to be inclined outward from front to back. Therefore, the first area 100a, the second area 100b, the third area 100c and the fourth area 100d can be well matched and tightly connected, so as to achieve a better effect of promoting the flow of the cooling water flow.
In addition, in order to make the water flow smoother, in the technical scheme of the invention, a partition plate 140 is arranged in the main sleeve body 100, the partition plate 140 divides the main water cavity into an upper-layer water cavity and a lower-layer water cavity, and the upper-layer water cavity and the lower-layer water cavity are communicated with each other. The water flow is reasonably divided by the partition plate 140, and the occurrence of a turbulent flow phenomenon is prevented, so that the water flow is smooth.
Further, flow rising parts 141 are formed at both sides of the partition plate 140, the flow rising parts 141 are inclined toward the upper water chamber from the middle of the partition plate 140 to both sides of the partition plate 140, and the flow rising parts 141 serve to guide the cooling water of the lower water chamber to be raised to the upper water chamber. The flow rising part 141 is arranged to facilitate the water flow to flow upwards to the upper water cavity, and the water flow is promoted.
In addition, a plurality of partition plates 140 may be provided, and the plurality of partition plates 140 may be arranged at intervals in the direction of the front end and the rear end of the engine in the main casing 100, in order to achieve a better cooling effect. The main water jacket may also be provided with a slotted hole 150 to further promote the flow of water to reduce the temperature.
The engine head water jacket 1000 may further include a sub-jacket body 300 located at the engine rear end of the main jacket body 100, and a sub-water cavity 310 is formed inside the sub-jacket body 300, and the sub-water cavity 310 is used for containing cylinder cooling water.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. An engine cylinder head water jacket, comprising:
the main sleeve body is provided with an air inlet side and an air exhaust side which are oppositely arranged, and is provided with an engine front end and an engine rear end which are oppositely arranged, a main water cavity is formed inside the main sleeve body, the main sleeve body is provided with a water inlet and a water outlet which are communicated with the main water cavity, the water inlet is arranged on the air inlet side of the main sleeve body, and the water outlet is arranged at the engine rear end of the main sleeve body; and the number of the first and second groups,
the side sleeve body is arranged on the exhaust side of the main sleeve body, a side water cavity is formed inside the side sleeve body, the side water cavity is formed on the exhaust side of the main water cavity, and the side water cavity is communicated with the main water cavity and communicated to the water outlet through the main water cavity;
the exhaust side of the main sleeve body is provided with a first water gap, a second water gap and a third water gap at intervals in sequence from the direction of the front end and the rear end of the engine, two ends of the side sleeve body are respectively provided with two side sleeve water gaps, the first water gap is communicated with one side sleeve water gap, the third water gap is communicated with the other side sleeve water gap, and the second water gap extends into the side water cavity through a conduit;
the front end of the engine of the main sleeve body is close to the air inlet side of the main sleeve body to form a first area, the first area inclines outwards from the air inlet side to the air outlet side, and the inclination of the first area is 15 degrees.
2. The engine head water jacket according to claim 1, wherein the exhaust side of the main jacket body is formed with a second region that is inclined outward from the intake side to the exhaust side to form a second region, the second region having an inclination of 5 °;
the first water gap, the second water gap and the third water gap are arranged in the second area at intervals along the direction of the front end and the rear end of the engine.
3. The engine head water jacket according to claim 2, wherein the intake side of the main sleeve body is formed with a third region that is connected to the first region, the third region being disposed obliquely outward from the front end of the engine to the rear end of the engine.
4. The engine head water jacket according to claim 3, wherein the exhaust side of the main jacket body is formed with a fourth region located between the second region and the third region;
the fourth area is inclined outward from the exhaust side to the intake side, and is inclined outward from the front end of the engine to the rear end of the engine.
5. The engine cylinder head water jacket according to claim 1, wherein a partition plate is provided in the main jacket body, the partition plate dividing the main water chamber into an upper water chamber and a lower water chamber, the upper water chamber and the lower water chamber communicating with each other.
6. The engine head water jacket according to claim 5, wherein rising portions for guiding and raising the cooling water of the lower water chamber to the upper water chamber are formed on both sides of the partition plate, the rising portions being provided obliquely toward the upper water chamber from a middle portion of the partition plate to both sides of the partition plate.
7. The engine head water jacket according to claim 5, wherein a plurality of the partition plates are provided, and the plurality of partition plates are arranged at intervals in the direction of the engine front end and the engine rear end in the main housing.
8. The engine cylinder head water jacket according to any one of claims 1 to 7, further comprising a sub-jacket body located at an engine rear end of the main jacket body, wherein a sub-water chamber is formed inside the sub-jacket body, and the sub-water chamber is used for containing cylinder cooling water.
9. An engine comprising an engine head water jacket as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011643904.8A CN112648103B (en) | 2020-12-31 | 2020-12-31 | Engine cylinder cover water jacket and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011643904.8A CN112648103B (en) | 2020-12-31 | 2020-12-31 | Engine cylinder cover water jacket and engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112648103A CN112648103A (en) | 2021-04-13 |
| CN112648103B true CN112648103B (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011643904.8A Active CN112648103B (en) | 2020-12-31 | 2020-12-31 | Engine cylinder cover water jacket and engine |
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| CN (1) | CN112648103B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09100744A (en) * | 1995-10-04 | 1997-04-15 | Nissan Motor Co Ltd | Cylinder head of water cooled internal combustion engine |
| CN201228595Y (en) * | 2008-06-13 | 2009-04-29 | 广西玉柴机器股份有限公司 | Water jacket for diesel engine cylinder cap |
| JP5615887B2 (en) * | 2012-10-19 | 2014-10-29 | 本田技研工業株式会社 | Cylinder head water jacket structure |
| CN205013139U (en) * | 2015-10-13 | 2016-02-03 | 重庆长安汽车股份有限公司 | Cylinder cover water sleeve and engine water jacket |
| CN207454119U (en) * | 2017-10-31 | 2018-06-05 | 浙江吉利罗佑发动机有限公司 | A kind of jacket structure for water and cylinder head for automobile cylinder lid |
| CN108547703B (en) * | 2018-03-23 | 2020-05-08 | 重庆长安汽车股份有限公司 | Automobile engine cooling water jacket structure integrated with exhaust manifold |
| CN110332055B (en) * | 2019-07-23 | 2020-10-02 | 安徽江淮汽车集团股份有限公司 | Engine cylinder cover water jacket and engine |
| CN210948921U (en) * | 2019-08-15 | 2020-07-07 | 阿尔特汽车技术股份有限公司 | Integrated exhaust manifold type four-cylinder engine cylinder cover cooling water jacket |
| CN210977700U (en) * | 2019-10-17 | 2020-07-10 | 广州汽车集团股份有限公司 | Engine cylinder cover cooling water jacket and engine |
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