CN113153560A - Cooling structure between two cylinder holes of cylinder block - Google Patents
Cooling structure between two cylinder holes of cylinder block Download PDFInfo
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- CN113153560A CN113153560A CN202110332717.6A CN202110332717A CN113153560A CN 113153560 A CN113153560 A CN 113153560A CN 202110332717 A CN202110332717 A CN 202110332717A CN 113153560 A CN113153560 A CN 113153560A
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- cylinder
- water
- hole
- holes
- cooling structure
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- 238000001816 cooling Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 119
- 238000004891 communication Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 2
- 239000002826 coolant Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Classifications
-
- 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
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
- F02F1/14—Cylinders with means for directing, guiding or distributing liquid stream
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The embodiment of the application discloses cooling structure between two cylinder holes of cylinder hole. The method comprises the following steps: the cylinder body, the cylinder hole water channel and the inclined water hole; the cylinder block body is provided with a plurality of cylinder holes, cylinder hole water channels are arranged on the periphery of the cylinder holes and used for cooling the cylinder holes; the cylinder hole water channel is provided with the inclined water holes which are arranged in a crossed mode, one side of each inclined water hole is communicated with the cylinder hole water channel on the same side, the other side of each inclined water hole is disconnected with the cylinder hole water channel on the same side, and the pressure between the cylinder holes is increased by disconnecting one side of each inclined water hole and the cylinder hole water channel on the same side, so that the water flow speed and the heat exchange coefficient are improved.
Description
Technical Field
The embodiment of the application relates to the field of automobile engines, in particular to a cooling structure between two cylinder holes of a cylinder body.
Background
The cylinder block is a main body of the engine, integrally connects each cylinder and a crankcase, and is a main supporting member for mounting a piston, a crankshaft, and other parts and accessories. At present, water-cooled multi-cylinder engines are basically adopted in automobiles. In order to enable the cylinder inner surface to operate normally at high temperatures, the cylinder and the cylinder head must be properly cooled.
Among the prior art, the cylinder hole of cylinder block is direct to be processed on the body and is formed, the cooling water course has been arranged to the periphery of cylinder hole and has been cooled off the cylinder hole, also need arrange the water course between the two adjacent cylinder holes and cool off, in order to subtract short cylinder block length, the water course between two cylinder holes is realized through the oblique crossing water hole of machine tooling play usually, the oblique crossing water hole of side of admitting air, exhaust side is linked together with the peripheral water course of cylinder hole respectively, the less problem that leads to velocity of water and coefficient of heat transfer lower of pressure differential between two cylinder holes.
Disclosure of Invention
The embodiment of the application provides a cooling structure between two cylinder holes of a cylinder block, which is used for improving the water flow rate and the heat exchange coefficient between the cylinder holes of the cylinder block.
The embodiment of the present application provides a cooling structure between two cylinder bores of cylinder block, includes: the cylinder body, the cylinder hole water channel and the inclined water hole;
the cylinder block body is provided with a plurality of cylinder holes, cylinder hole water channels are arranged on the periphery of the cylinder holes and used for cooling the cylinder holes;
the inclined water holes are arranged between the adjacent cylinder holes in a crossed mode, one side of each inclined water hole is communicated with the cylinder hole water channel on the same side, and the other side of each inclined water hole is disconnected with the cylinder hole water channel on the same side.
Optionally, the oblique water holes on the two sides are respectively set as an oblique water hole on the air inlet side and an oblique water hole on the air outlet side.
Optionally, when the oblique water holes on the air inlet sides of the oblique water holes on the two sides are communicated with the cylinder hole water channels on the same side, the oblique water holes on the air outlet sides of the oblique water holes on the two sides are disconnected with the cylinder hole water channels on the same side; when the exhaust side inclined water holes of the two side inclined water holes are communicated with the cylinder hole water channel on the same side, the air inlet side inclined water holes of the two side inclined water holes are disconnected with the cylinder hole water channel on the same side.
Optionally, the cylinder block body is provided with a water jacket cavity, and the cooling water jacket cavity is used for cooling the cylinder hole.
Optionally, the cooling jacket cavity is made of a material with high wear resistance and high corrosion resistance.
Optionally, the inclined water holes are arranged in a crossed mode in any one of X-type communication Y-type communication and V-type communication.
Optionally, the diameter of the inclined water hole on the air inlet side is equal to that of the inclined water hole on the air outlet side.
Optionally, the cylinder bore water channel is a cylindrical water channel.
Optionally, the cylinder block body and the structural design of the cylinder hole meet the fatigue safety factor design of the water jacket.
According to the technical scheme, the embodiment of the application has the following advantages: the cylinder body, the cylinder hole, cylinder hole water course and oblique water hole have been set up in this application, and wherein the cylinder body is provided with a plurality of cylinder hole, and the cylinder hole periphery sets up the cylinder hole water course, and the cylinder hole water course is used for cooling down the cylinder hole, and the cylinder hole water course is provided with alternately more than oblique water hole, and one side in oblique water hole communicates with each other with the cylinder hole water course of homonymy, and the opposite side in oblique water hole and the cylinder hole water course disconnection of homonymy increase thereby pressure between the cylinder hole improves water velocity and coefficient of heat transfer.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a cooling structure between two cylinder bores of a cylinder block according to an embodiment of the present application;
fig. 2 is a schematic structural view of another embodiment of the cooling structure between the cylinder bores of the cylinder block in the embodiment of the present application.
Detailed Description
The embodiment of the application provides a cooling structure between two cylinder holes of a cylinder block, which is used for improving the water flow rate and the heat exchange coefficient between the cylinder holes of the cylinder block.
The technical solutions in the present application will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all 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 application.
Referring to fig. 1 to 2, a first aspect of the present embodiment provides an embodiment of a cooling structure between two cylinder bores of a cylinder block, including: cylinder block body 1, jar hole 2, left side jar hole water course 3, right side jar hole water course 4, oblique water hole 5 in a left side and oblique water hole 6 in the right side, wherein the cylindrical cavity of a plurality of that sets up on the cylinder block body 1 is cylinder hole 2, the jar hole water course sets up in jar 2 periphery, be used for cooling cylinder hole 2, the jar hole water course sets up left side jar hole water course 3 and right side jar hole water course 4 respectively, left side jar hole water course 3 is provided with oblique water hole 5 in a left side, right side jar hole water course 4 is provided with oblique water hole 6 in the right side, when the jar hole water course of oblique water hole and homonymy communicates with each other when one side, the jar hole water course disconnection of the oblique water hole of the other side and homonymy, what need to explain is to set up which one side here for communicating state, which one side does not do the restriction here for the disconnected state.
Specifically, the cylinder bore 2 of the engine cylinder block 1 is directly formed by processing on the body, in order to ensure that the cylinder surface can normally work at high temperature, the cylinder and the cylinder head need to be cooled at any time, a water jacket cavity is arranged in the linear length direction of the cylinder block body 1 shown in fig. 2, the water jacket cavity is used for cooling the adjacent cylinder bore 2, four cylinder bores for accommodating pistons are arranged between the water jackets and are respectively a first cylinder bore, a second cylinder bore, a third cylinder bore and a fourth cylinder bore inclined water hole, wherein the functions and the functions of the cylinder bores are similar, and the description is omitted here.
In the embodiment, the left and right inclined water holes are cylindrical holes, wherein the diameter of the inclined water holes is preferably smaller than that of the inclined water holes, and can be set to be 2-5mm, and the inclined water holes are specifically set according to actual control conditions. Its one end is connected with the jar hole water course, and the oblique water hole one end intercommunication in both sides forms certain angle, and is concrete, and the oblique water hole of both sides intersects the angle that forms and sets up according to the intercommunication shape that sets up, and wherein the shape can set up to V type intercommunication individual, X type intercommunication and Y type intercommunication, does not do the restriction here. The cylinder block is in the use, and oblique water hole and cylinder hole water course intercommunication make the coolant liquid link up whole water jacket rapidly, effectively cool off the engine to the position that the water hole set up to one side can not influence the intensity and the rigidity of the cylinder wall between the cylinder block cylinder hole, prevents that the cylinder hole from warping.
The inclined water holes are respectively arranged as an air inlet side inclined water hole, namely a left side inclined water hole 5, and an air outlet side inclined water hole, namely a right side inclined water hole 6, wherein the air inlet side inclined water hole 5 and the air outlet side inclined water hole 6 are respectively communicated with a water channel on the periphery of a cylinder hole in the prior art.
Referring to fig. 1 to 2, a second aspect of the present embodiment provides an embodiment of a method for cooling between two cylinder bores of a cylinder block, including: cylinder block body 1, jar hole 2, left side jar hole water course 3, right side jar hole water course 4, the oblique water hole 5 in a left side and the oblique water hole 6 in the right side break off the jar hole water course of one side oblique water hole and homonymy for the coolant liquid velocity of flow in jar hole water course increases, and the circulation carries out the effective cooling to the jar hole more.
According to the invention, the inclined water hole on one side is communicated with the cylinder hole water channel on the same side, the inclined water hole on the other side is not communicated with the cylinder hole water channel on the same side, and the pressure between the two cylinder holes is increased, so that the water flow rate and the heat exchange coefficient are improved, and the measurement simulation analysis result shows that after the drain hole on one side and the cylinder hole water channel are disconnected, the flow rate of cooling liquid in the inclined cross water hole is increased to 3.65m/s from the original 0.95m/s, the total improvement is 384%, and the convection heat exchange coefficient in the inclined cross water hole is changed into 16077HTC from the original 5450HTC, so that the total improvement is 295%.
It is intended that the foregoing description of the disclosed embodiments enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A cooling structure between two cylinder bores of a cylinder block, comprising:
the cylinder body, the cylinder hole water channel and the inclined water hole;
the cylinder block body is provided with a plurality of cylinder holes, cylinder hole water channels are arranged on the periphery of the cylinder holes and used for cooling the cylinder holes;
the cylinder hole water channel is provided with the inclined water holes which are arranged in a crossed mode, one side of each inclined water hole is communicated with the cylinder hole water channel on the same side, and the other side of each inclined water hole is disconnected with the cylinder hole water channel on the same side.
2. The cooling structure between the cylinder bores of the cylinder block according to claim 1, wherein the oblique water holes are provided as an intake-side oblique water hole and an exhaust-side oblique water hole, respectively.
3. The cooling structure between the two bores of the cylinder block according to claim 2, wherein when the intake-side oblique water hole of the oblique water hole communicates with the bore water passage on the same side, the exhaust-side oblique water hole of the oblique water hole is disconnected from the bore water passage on the same side; when the exhaust side inclined water hole of the inclined water hole is communicated with the cylinder hole water channel on the same side, the air inlet side inclined water hole of the inclined water hole is disconnected with the cylinder hole water channel on the same side.
4. The cooling structure between the cylinder bores of the cylinder block according to claim 1, wherein the cylinder block body is provided with a water jacket chamber for cooling the cylinder bores.
5. The cooling structure between the cylinder bores of the cylinder block according to claim 4, wherein the cooling jacket chamber is made of a material having high wear resistance and high corrosion resistance.
6. The cooling structure between the cylinder bores of the cylinder block according to claim 1, wherein the oblique water holes are arranged in a cross arrangement in any one of X-type communication, Y-type communication, and V-type communication.
7. The cooling structure between the cylinder blocks and the cylinder bores according to claim 6, wherein the intersection angle of the two cylinder bore water passages is greater than 90 °.
8. The cooling structure between the two cylinder bores of the cylinder block according to any one of claims 1 to 3, wherein the intake-side oblique water hole is equal in diameter to the exhaust-side oblique water hole.
9. The cooling structure between the two cylinder bores of the cylinder block according to any one of claims 1 to 3, wherein the cylinder bore water passage is a cylindrical water passage.
10. The cooling structure between two cylinder bores of the cylinder block according to any one of claims 1 or 4, characterized in that the structural design of the cylinder block body and the cylinder bores satisfies the fatigue safety factor design of the water jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110332717.6A CN113153560A (en) | 2021-03-29 | 2021-03-29 | Cooling structure between two cylinder holes of cylinder block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110332717.6A CN113153560A (en) | 2021-03-29 | 2021-03-29 | Cooling structure between two cylinder holes of cylinder block |
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| Publication Number | Publication Date |
|---|---|
| CN113153560A true CN113153560A (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110332717.6A Pending CN113153560A (en) | 2021-03-29 | 2021-03-29 | Cooling structure between two cylinder holes of cylinder block |
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| CN (1) | CN113153560A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514652A (en) * | 2009-03-30 | 2009-08-26 | 重庆长安汽车股份有限公司 | Cooling water channel structure between engine crankcase cylinders |
| CN201539318U (en) * | 2009-09-28 | 2010-08-04 | 奇瑞汽车股份有限公司 | Multi-cylinder engine cylinder body water sleeve structure |
| CN204783301U (en) * | 2015-07-15 | 2015-11-18 | 北京汽车动力总成有限公司 | Engine cylinder block , engine and car |
| CN205013137U (en) * | 2015-09-01 | 2016-02-03 | 东风朝阳朝柴动力有限公司 | GridLayout cooling structure between diesel engine organism jar hole |
| CN106438085A (en) * | 2016-10-13 | 2017-02-22 | 广西玉柴机器股份有限公司 | Cylinder block of diesel engine |
| CN206530414U (en) * | 2017-03-14 | 2017-09-29 | 广西玉柴机器股份有限公司 | The intersection channel structure of IC engine cylinder block two adjacent cylinder |
| CN111502853A (en) * | 2020-04-29 | 2020-08-07 | 广西玉柴机器股份有限公司 | Cooling structure between two cylinder holes of engine cylinder body |
| CN211314391U (en) * | 2019-10-29 | 2020-08-21 | 潍柴动力股份有限公司 | Inter-cylinder cooling structure for engine and engine with same |
| CN212744166U (en) * | 2020-04-29 | 2021-03-19 | 广西玉柴机器股份有限公司 | Cooling structure between two cylinder holes of engine cylinder body |
-
2021
- 2021-03-29 CN CN202110332717.6A patent/CN113153560A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514652A (en) * | 2009-03-30 | 2009-08-26 | 重庆长安汽车股份有限公司 | Cooling water channel structure between engine crankcase cylinders |
| CN201539318U (en) * | 2009-09-28 | 2010-08-04 | 奇瑞汽车股份有限公司 | Multi-cylinder engine cylinder body water sleeve structure |
| CN204783301U (en) * | 2015-07-15 | 2015-11-18 | 北京汽车动力总成有限公司 | Engine cylinder block , engine and car |
| CN205013137U (en) * | 2015-09-01 | 2016-02-03 | 东风朝阳朝柴动力有限公司 | GridLayout cooling structure between diesel engine organism jar hole |
| CN106438085A (en) * | 2016-10-13 | 2017-02-22 | 广西玉柴机器股份有限公司 | Cylinder block of diesel engine |
| CN206530414U (en) * | 2017-03-14 | 2017-09-29 | 广西玉柴机器股份有限公司 | The intersection channel structure of IC engine cylinder block two adjacent cylinder |
| CN211314391U (en) * | 2019-10-29 | 2020-08-21 | 潍柴动力股份有限公司 | Inter-cylinder cooling structure for engine and engine with same |
| CN111502853A (en) * | 2020-04-29 | 2020-08-07 | 广西玉柴机器股份有限公司 | Cooling structure between two cylinder holes of engine cylinder body |
| CN212744166U (en) * | 2020-04-29 | 2021-03-19 | 广西玉柴机器股份有限公司 | Cooling structure between two cylinder holes of engine cylinder body |
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Application publication date: 20210723 |