CN112682208A - Engine cylinder cover water jacket and engine - Google Patents
Engine cylinder cover water jacket and engine Download PDFInfo
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- CN112682208A CN112682208A CN202011643905.2A CN202011643905A CN112682208A CN 112682208 A CN112682208 A CN 112682208A CN 202011643905 A CN202011643905 A CN 202011643905A CN 112682208 A CN112682208 A CN 112682208A
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Abstract
The invention discloses an engine cylinder cover water jacket and an engine, comprising: the main sleeve body and the side sleeve body; the main cover body is provided with an air inlet side and an air outlet side which are oppositely arranged, the engine front end and the engine rear end which are oppositely arranged are arranged, a main water cavity is formed in the main cover body, a water inlet and a water outlet which are communicated with the main water cavity are formed in the main cover body, the air inlet side of the main cover body is arranged at the air inlet side of the main cover body, the water outlet is arranged at the engine rear end of the main cover body, the air outlet side of the main cover body is arranged at the air outlet side of the main cover body, a side water cavity is formed in the side cover body, the side water cavity is communicated with the main water cavity and communicated to the water outlet through the main water cavity, the air inlet side cavity wall of the main water cavity is outwards obliquely arranged from the air inlet side to the air outlet side, the air outlet side wall of the air outlet. The invention provides 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 air inlet side cavity wall of the main water cavity is arranged in an outward inclined mode from the air inlet side to the air outlet side, the air outlet side cavity wall of the main water cavity is arranged in an outward inclined mode from the air outlet side to the air inlet side, and the air inlet side cavity wall of the main water cavity and the air outlet side cavity wall of the main water cavity are combined into a whole.
Optionally, the wall of the air inlet side cavity of the main water cavity is arranged obliquely outwards from the front end of the engine to the rear end of the engine; and the number of the first and second groups,
and the exhaust side cavity wall of the main water cavity extends from the rear end of the engine to the front end of the engine and is connected with the air inlet side cavity wall of the main water cavity.
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, a plurality of guide grooves are formed on the wall of the upper water cavity, and the guide grooves are arranged at intervals along the direction of the front end of the engine and the rear end of the engine.
Optionally, the height of the bottom surface of the middle part of the main sleeve body close to the air inlet side is higher than that of the bottom surface close to the air outlet side.
Optionally, the middle part fretwork of the side cover body is formed with a plurality of water holes of crossing, and is a plurality of the water hole of crossing is followed the engine front end with the engine rear end place direction interval sets up.
Optionally, the width of the middle part of the side cover body is L1, the width of the two sides of the side cover body is L2, and L1 and L2 satisfy the following relations:
L1＜L2。
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 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 air inlet side cavity wall of the main water cavity is arranged in an outward inclined mode from the air inlet side to the air outlet side, the air outlet side cavity wall of the main water cavity is arranged in an outward inclined mode from the air outlet side to the air inlet side, and the air inlet side cavity wall of the main water cavity and the air outlet side cavity wall of the main water cavity are combined into a whole.
In the technical scheme provided by the invention, the water jacket of the engine cylinder cover comprises a main sleeve body and a side sleeve body; the main sleeve body is internally provided with a main water cavity, the wall of the air inlet side cavity of the main water cavity is arranged from the air inlet side to the air outlet side in an outward inclined mode, the wall of the air outlet side cavity of the main water cavity is arranged from the air outlet side to the air inlet side in an outward inclined mode, and the wall of the air inlet side cavity of the main water cavity and the wall of the air outlet side cavity of the main water cavity are combined into a whole. The wall of the two ends of the air inlet side and the air exhaust side of the main water cavity is inclined outwards to form a roof ridge-like structure, so that the pressure of the water jacket is uniformly distributed in the directions of the front end and the rear end of the engine, the flow of cooling water is facilitated, 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 head shown in FIG. 1 at a fourth perspective;
FIG. 6 is a schematic diagram of a side view of a main jacket body of the water jacket of the engine cylinder head shown in FIG. 1;
FIG. 7 is a schematic top view of a side cover of the water jacket of the engine head of FIG. 1;
fig. 8 is a schematic diagram of a front view structure of a side cover body of the water jacket of the engine cylinder head shown in fig. 1.
Description of the reference numerals
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 attached drawings of the specification, 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 head shown in FIG. 1 at a fourth perspective; FIG. 6 is a schematic diagram of a side view of a main jacket body of the water jacket of the engine cylinder head shown in FIG. 1; FIG. 7 is a schematic top view of a side cover of the water jacket of the engine head of FIG. 1; fig. 8 is a schematic diagram of a front view structure of a side cover body of the water jacket of the engine cylinder head shown in fig. 1.
Specifically, the engine head water jacket 1000 includes a main jacket body 100 and a side jacket body 200; the main sleeve body 100 is provided with an air inlet side and an air outlet side which are oppositely arranged, the engine front end and the engine rear end which are oppositely arranged are arranged, a main water cavity 110 is formed inside the main sleeve body 100, a water inlet 120 and a water outlet 130 which are communicated with the main water cavity 110 are formed on the main sleeve body 100, the water inlet 120 is arranged on the air inlet side of the main sleeve body 100, the water outlet 130 is arranged at the engine rear end of the main sleeve body 100, the side sleeve body 200 is arranged on the air outlet side of the main sleeve body 100, a side water cavity 210 is formed inside the side sleeve body 200, the side water cavity 210 is formed on the air outlet side of the main water cavity 110, and the side water cavity 210 is communicated with, and is communicated to the water outlet 130 through the main water chamber 110, the air inlet side chamber wall of the main water chamber 110 is inclined outwards from the air inlet side to the air outlet side, the air outlet side chamber wall of the main water chamber 110 is inclined outwards from the air outlet side to the air inlet side, and the air inlet side chamber wall of the main water chamber 110 and the air outlet side chamber wall of the main water chamber 110 are combined into a whole.
In the technical scheme provided by the invention, the water jacket 1000 of the engine cylinder cover comprises a main jacket body 100 and a side jacket body 200; a main water cavity 110 is formed in the main sleeve body 100, the air inlet side cavity wall of the main water cavity 110 is arranged in an outward inclined manner from the air inlet side to the air outlet side, the air outlet side cavity wall of the main water cavity 110 is arranged in an outward inclined manner from the air outlet side to the air inlet side, and the air inlet side cavity wall of the main water cavity 110 and the air outlet side cavity wall of the main water cavity 110 are combined into a whole. The chamber walls at the two ends of the air inlet side and the air outlet side of the main water chamber 110 are arranged in an outward inclined manner to form a roof ridge-like structure 300, so that the pressure distribution of the water jacket in the directions of the front end and the rear end of the engine is uniform, the flow of cooling water is facilitated, and the cooling performance of the water jacket of the cylinder cover is improved. The water jacket structure of the engine cylinder cover provided by the invention is beneficial to cooling the exhaust side with high temperature and simultaneously beneficial to the temperature consistency of the intake side, the exhaust side and four cylinders.
Further, the wall of the air inlet side cavity of the main water cavity 110 is arranged obliquely outwards from the front end of the engine to the rear end of the engine; and the number of the first and second groups,
and the exhaust side cavity wall of the main water cavity extends from the rear end of the engine to the front end of the engine and is connected with the air inlet side cavity wall of the main water cavity.
Therefore, the cavity wall of the main water cavity 110 is in the direction from the front end of the engine to the rear end of the engine, so that pressure distribution can be more favorably realized, pressure distribution is uniform, the flow of cooling water is favorably realized, and the cooling performance is improved.
Further, the junction of the intake side cavity wall of the main water cavity and the exhaust side cavity wall of the main water cavity forms a roof-like structure 300, which is inclined from the intake side near the rear end of the engine to the exhaust side near the front end of the engine, and this further promotes the flow of water and helps to dissipate heat.
A hollow area 114 is formed in the middle of the main housing 100, and the hollow area 114 increases water flow resistance, which is beneficial to the flow of water flow from the air inlet side to the air outlet side.
The height of the bottom surface 115 of the middle portion of the main housing 100 near the air intake side may be set higher than the height of the bottom surface 116 near the air exhaust side, so that a certain slope may be formed in the main water chamber 110, thereby promoting the flow of water and increasing the heat dissipation efficiency.
In addition, in order to make the water flow smoother, in the technical scheme of the invention, a partition plate 111 is arranged in the main sleeve body 100, the partition plate 111 divides the main water cavity 110 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 separated by the separation plate 111, and the occurrence of a turbulent flow phenomenon is prevented, so that the water flow is smooth.
Furthermore, two sides of the partition plate 111 are formed with flow rising portions 113, the flow rising portions 113 are arranged from the middle of the partition plate to the two sides of the partition plate in an inclined manner toward the upper water chamber, and the flow rising portions 113 are used for guiding and lifting the cooling water in the lower water chamber to the upper water chamber. The flow rising portion 113 is provided to facilitate the flow of water upward along the flow rising portion to the upper water chamber, thereby facilitating the flow of water.
As for the height of the bottom surface of the middle portion of the main sleeve body 100, the upper end may be set higher than the lower end, which facilitates the flow of water from the air intake side to the air discharge side.
In the technical scheme of the invention, a plurality of guide grooves 112 are formed on the wall of the upper water cavity, and the guide grooves 112 are distributed at intervals along the direction of the front end of the engine and the rear end of the engine. This can effectively eliminate the rivers dead zone, and the direction of guide rivers makes the rivers flow more regularly.
Further, for promoting the rivers mobility in the side cover body 200, the middle part fretwork of the side cover body 200 is formed with a plurality of water holes of crossing, and the hollow out construction of the side cover body sets up along left and right sides symmetry, and a plurality of water holes 211 of crossing follow the engine front end with engine rear end place direction interval sets up.
And the width of the middle part of the side cover body is L1, the width of the two sides of the side cover body is L2, and L1 and L2 satisfy the following relations: l1 < L2. Thus, it is easier to provide a plurality of water holes 211 on the side sleeve 200 to promote the flow of water, which is a preferred embodiment.
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 air inlet side cavity wall of the main water cavity is arranged in an outward inclined mode from the air inlet side to the air outlet side, the air outlet side cavity wall of the main water cavity is arranged in an outward inclined mode from the air outlet side to the air inlet side, and the air inlet side cavity wall of the main water cavity and the air outlet side cavity wall of the main water cavity are combined into a whole.
2. The engine head water jacket according to claim 1, wherein an intake side chamber wall of the main water chamber is provided obliquely outward from the engine front end to the engine rear end; and the number of the first and second groups,
and the exhaust side cavity wall of the main water cavity extends from the rear end of the engine to the front end of the engine and is connected with the air inlet side cavity wall of the main water cavity.
3. The engine cylinder head water jacket according to claim 2, 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.
4. The engine head water jacket according to claim 3, 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.
5. The engine head water jacket according to claim 4, wherein a plurality of guide grooves are formed in the wall of the upper water chamber, and the plurality of guide grooves are arranged at intervals in the direction of the front end and the rear end of the engine.
6. The engine head water jacket according to claim 1, wherein a height of a bottom surface of a middle portion of the main jacket body near the intake side is higher than a height of a bottom surface near the exhaust side.
7. The engine cylinder head water jacket as set forth in claim 1, wherein a plurality of water through holes are hollowed out in the middle of the side jacket body, and the water through holes are arranged at intervals along the direction of the front end and the rear end of the engine.
8. The engine head water jacket as set forth in claim 6, wherein the width of the middle portion of the side cover body is L1, the width of the two sides of the side cover body is L2, and L1 and L2 satisfy the following relationship:
L1＜L2。
9. an engine comprising an engine head water jacket as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011643905.2A CN112682208B (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 |
|---|---|---|---|
| CN202011643905.2A CN112682208B (en) | 2020-12-31 | 2020-12-31 | Engine cylinder cover water jacket and engine |
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| Publication Number | Publication Date |
|---|---|
| CN112682208A true CN112682208A (en) | 2021-04-20 |
| CN112682208B CN112682208B (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011643905.2A Active CN112682208B (en) | 2020-12-31 | 2020-12-31 | Engine cylinder cover water jacket and engine |
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| CN (1) | CN112682208B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US8051810B2 (en) * | 2008-04-21 | 2011-11-08 | Hyundai Motor Company | Coolant passage within a cylinder head of an internal combustion engine |
| JP2013015039A (en) * | 2011-07-01 | 2013-01-24 | Suzuki Motor Corp | Cylinder head cooling structure |
| CN103775230A (en) * | 2012-10-19 | 2014-05-07 | 本田技研工业株式会社 | Water jacket structure for cylinder head |
| JP2017040175A (en) * | 2015-08-17 | 2017-02-23 | いすゞ自動車株式会社 | Cooling structure of cylinder head |
| CN110332055A (en) * | 2019-07-23 | 2019-10-15 | 安徽江淮汽车集团股份有限公司 | Cylinder head water jacket and engine |
-
2020
- 2020-12-31 CN CN202011643905.2A patent/CN112682208B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8051810B2 (en) * | 2008-04-21 | 2011-11-08 | Hyundai Motor Company | Coolant passage within a cylinder head of an 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 |
| JP2013015039A (en) * | 2011-07-01 | 2013-01-24 | Suzuki Motor Corp | Cylinder head cooling structure |
| CN103775230A (en) * | 2012-10-19 | 2014-05-07 | 本田技研工业株式会社 | Water jacket structure for cylinder head |
| JP2017040175A (en) * | 2015-08-17 | 2017-02-23 | いすゞ自動車株式会社 | Cooling structure of cylinder head |
| CN110332055A (en) * | 2019-07-23 | 2019-10-15 | 安徽江淮汽车集团股份有限公司 | Cylinder head water jacket and engine |
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| CN112682208B (en) | 2022-03-29 |
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