CN110159446A - A kind of body cooling water jacket structure of multicylinder engine - Google Patents
A kind of body cooling water jacket structure of multicylinder engine Download PDFInfo
- Publication number
- CN110159446A CN110159446A CN201910584888.0A CN201910584888A CN110159446A CN 110159446 A CN110159446 A CN 110159446A CN 201910584888 A CN201910584888 A CN 201910584888A CN 110159446 A CN110159446 A CN 110159446A
- Authority
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- Prior art keywords
- water
- sleeve
- cross
- channel
- sectional width
- 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.)
- Granted
Links
- 239000000498 cooling water Substances 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 118
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 abstract description 16
- 239000002826 coolant Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 239000000110 cooling liquid Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- F02F1/16—Cylinder liners of wet type
Landscapes
- 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 invention discloses a kind of body cooling water jacket structures of multicylinder engine, belong to engine cool technical field, solve the problems, such as traditional body cooling jacket even width and lead to that cooling effect is bad, resistance is bigger than normal.The body cooling water jacket structure includes cross channel, longitudinal water channel and multiple cylinder sleeve water channels, each cylinder sleeve water channel is independently arranged between cylinder sleeve and body, the cylinder sleeve water channel includes upper water sleeve and lower water jacket, the cross-sectional width of the upper water sleeve circumferencial direction is equal, cross-sectional width at left and right sides of the lower water jacket is equal with the cross-sectional width of upper water sleeve, and the cross-sectional width of the lower water jacket front and rear sides is greater than the cross-sectional width of upper water sleeve.The body cooling water jacket structure of multicylinder engine of the invention, cylinder sleeve water channel use the design of non-uniform width, while guaranteeing cylinder block strength, effectively improve water velocity, improve cooling effect.
Description
Technical field
The present invention relates to engine cool technical fields, more specifically, it relates to which a kind of body of multicylinder engine is cold
But jacket structure for water.
Background technique
Engine is during the manufacturing, in order to cooling to combustion chambers such as engine pistons, it will usually in machine
Cooling jacket is set between body and cylinder sleeve.Traditional body cooling water jacket structure, the water jacket near cylinder sleeve are generally clean width,
It is i.e. of same size, if water jacket thickness is wider, it is less than normal to will lead to water flow, while needing borehole between two cylinder holes, cooling effect
The problem of fruit is bad, and support strength is also poor, is easy to cause body deformation；If water jacket thickness is relatively narrow, that there are flow velocitys is higher,
Resistance problem bigger than normal.Therefore, traditional body cooling water jacket structure is to be unable to satisfy the actual demand of engine.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to the above-mentioned deficiency of the prior art, a kind of machine of multicylinder engine is provided
Body cooling water jacket structure effectively improves water velocity, improves cooling effect while guaranteeing cylinder block strength.
The technical solution adopted by the present invention is that: a kind of body cooling water jacket structure of multicylinder engine, the body cooling water
Nested structure includes cross channel, longitudinal water channel and multiple cylinder sleeve water channels, and each cylinder sleeve water channel is independently arranged at cylinder sleeve
Between body, the cylinder sleeve water channel includes upper water sleeve and lower water jacket, and the cross-sectional width of the upper water sleeve circumferencial direction is equal,
Cross-sectional width at left and right sides of the lower water jacket is equal with the cross-sectional width of upper water sleeve, and the section of the lower water jacket front and rear sides is wide
Degree is greater than the cross-sectional width of upper water sleeve.
As a further improvement, the body cooling jacket further includes water inlet, the first water outlet and the second water outlet
Mouthful, the water inlet is connected to cross channel, and the corresponding cylinder sleeve water channel of each cylinder sleeve passes through a longitudinal direction water channel and transverse direction
Water channel connection, and each cylinder sleeve water channel correspondence is connected to first water outlet, the second water outlet.
Further, longitudinal water channel is connected to the front side of lower water jacket, and two close to the water inlet are lauched
Connection water channel is equipped between set.
Further, first water outlet, the second water outlet are connected to the front and rear sides of upper water sleeve respectively, and described
The circulation area of first water outlet is greater than the circulation area of the second water outlet.
Further, the cross-sectional width of the upper water sleeve is 3mm~4mm, the cross-sectional width of the lower water jacket front and rear sides
For 8mm~10mm.
Beneficial effect
Compared with prior art, the present invention having the advantage that
1, the body cooling water jacket structure of multicylinder engine of the invention, cylinder sleeve water channel use the design of non-uniform width,
Be made of the different upper water sleeve of cross-sectional width and lower water jacket, upper water sleeve width is small, and cooling water flow velocity is fast, can be effectively improved piston and
The cooling effect of combustion chamber position, lower water jacket width is big, and flow area is big, can reduce flow resistance, guarantee cylinder block strength
Meanwhile water velocity is effectively improved, improve cooling effect.
2, the present invention is by the way that cylinder sleeve water channel to be independently arranged between body and cylinder sleeve so that two neighboring cylinder sleeve water channel it
Between be not connected to, coolant liquid will not mutually circulate between each cylinder sleeve so that coolant liquid quickly takes away the heat of outer wall of cylinder jachet,
Further increase cooling effect.
3, the correspondence of each cylinder sleeve water channel in the present invention is connected to first water outlet and the second water outlet, and two go out
The design at the mouth of a river, accelerates cooling liquid speed, while meeting displacement requirement, reduces the circulation area of single water outlet, into
One step improves cylinder block strength, and the circulation area of two water outlets is different, can improve the cooling liquid speed of different location, into one
Step improves cooling effect.
4, longitudinal water channel in the present invention is connected to the front side of lower water jacket, so that coolant liquid first flows through being lauched for big flow
Set, then pass through the upper water sleeve Accelerating Removal of small flow, it realizes that coolant liquid quickly absorbs heat and is quickly discharged, further increases cold
But effect.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of body in the present invention；
Fig. 2 is the overlooking structure diagram of body in the present invention；
Fig. 3 is the schematic diagram of the section structure of B-B in Fig. 1；
Fig. 4 is the schematic diagram of the section structure of C-C in Fig. 1；
Fig. 5 is the partial profile structure of E-E in Fig. 2；
Fig. 6 is the schematic diagram of the section structure of G-G in Fig. 2；
Fig. 7 is sand core of water jacket structural schematic diagram of the invention.
Wherein: 1- cross channel, the longitudinal direction 2- water channel, 3- cylinder sleeve water channel, 4- cylinder sleeve, 5- body, 6- upper water sleeve, 7- are lauched
Set, 8- water inlet, the first water outlet of 9-, the second water outlet of 10-, 11- are connected to water channel.
Specific embodiment
The present invention is described further for specific embodiment in reference to the accompanying drawing.
Refering to fig. 1 shown in -7, a kind of body cooling water jacket structure of multicylinder engine of the invention, including cross channel 1,
Longitudinal water channel 2 and multiple cylinder sleeve water channels 3, each cylinder sleeve water channel 3 are independently arranged between cylinder sleeve 4 and body 5, i.e. a cylinder sleeve
A 4 corresponding cylinder sleeve water channels 3, so that not being connected between two neighboring cylinder sleeve water channel 3, coolant liquid will not be between each cylinder sleeve mutually
Circulation, so that coolant liquid quickly takes away the heat of 4 outer wall of cylinder sleeve, further increases cooling effect；Wherein, cylinder sleeve water channel 3
Including upper water sleeve 6 and lower water jacket 7, the cross-sectional width of 6 circumferencial direction of upper water sleeve is equal, i.e., upper water sleeve 6 is a circular cylindrical cavity,
The cross-sectional width of 7 left and right sides of lower water jacket is equal with the cross-sectional width of upper water sleeve 6, i.e., the lower water jacket 7 between two neighboring cylinder sleeve 4
Cross-sectional width it is equal with the cross-sectional width of upper water sleeve 6, the cross-sectional widths of 7 front and rear sides of lower water jacket is greater than the section of upper water sleeve 6
Width, cylinder sleeve water channel 3 are made of, upper water using the design of non-uniform width the different upper water sleeve 6 of cross-sectional width and lower water jacket 7
It is small to cover 6 width, cooling water flow velocity is fast, can be effectively improved the cooling effect of piston and combustion chamber position, and 7 width of lower water jacket is big, stream
Logical section is big, can reduce flow resistance, while guaranteeing cylinder block strength, effectively improves water velocity, improves cooling effect
Fruit.
The body cooling jacket of the present embodiment further includes water inlet 8, the first water outlet 9 and the second water outlet 10, wherein is entered
The mouth of a river 8 is connected to cross channel 1, and the corresponding cylinder sleeve water channel 3 of each cylinder sleeve 4 is connected by a longitudinal water channel 2 with cross channel 1
It is logical, and each cylinder sleeve water channel 3 correspondence is connected to first water outlet 9, the second water outlet 10, i.e., each cylinder sleeve water channel 3 is
It is corresponding with the first water outlet 9 and the second water outlet 10, the design of two water outlets accelerates cooling liquid speed, meets displacement
It is required that while, reduce the circulation area of single water outlet, further increases cylinder block strength.Preferably, the first water outlet 9,
Two water outlets 10 are connected to the front and rear sides of upper water sleeve 6 respectively, and the circulation area of the first water outlet 9 is greater than the second water outlet 10
Circulation area, the circulation area of two water outlets is different, can improve the cooling liquid speed of different location, further increase cooling
Effect.
Further, longitudinal water channel 2 is connected to the front side of lower water jacket 7, and between two lower water jackets 7 of water inlet 8
Equipped with connection water channel 11, so that coolant liquid first flows through the lower water jacket of big flow, then pass through the upper water sleeve Accelerating Removal of small flow, it is real
Existing coolant liquid quickly absorbs heat and is quickly discharged, and further increases cooling effect.The cross-sectional width of upper water sleeve 6 be 3mm~
B1 in 4mm, i.e., such as Fig. 3 is 3mm~4mm, and the cross-sectional width of 7 front and rear sides of lower water jacket is 8mm~10mm, i.e., as in Fig. 3
B1 is 8mm~10mm, while meeting water flow, further strengthens cylinder block strength.
At work, coolant liquid is entered in cross channel 1 body cooling water jacket structure in this implementation by water inlet 8,
It is respectively enterd in the corresponding cylinder sleeve water channel 3 of each cylinder sleeve 4 by longitudinal water channel 2 again, during which, coolant liquid is first before lower water jacket 7
Side enters, and effectively reduces flow resistance, cools down to the corresponding cylinder sleeve of lower water jacket 7, then further accelerates and flows into upper water sleeve 6, most
It is discharged, is realized cooling to each cylinder of engine by the first water outlet 9, the second water outlet 10 afterwards.The multicylinder engine of the present embodiment
Body cooling water jacket structure, cylinder sleeve water channel use non-uniform width design, guarantee cylinder block strength while, effectively improve
Water velocity improves cooling effect.
What has been described above is only a preferred embodiment of the present invention, it should be pointed out that for those skilled in the art,
Without departing from the structure of the invention, several modifications and improvements can also be made, these all will not influence implementation of the present invention
Effect and patent practicability.
Claims (5)
1. a kind of body cooling water jacket structure of multicylinder engine, including cross channel (1), longitudinal water channel (2) and multiple cylinder sleeves
Water channel (3), which is characterized in that each cylinder sleeve water channel (3) is independently arranged between cylinder sleeve (4) and body (5), described
Cylinder sleeve water channel (3) include upper water sleeve (6) and lower water jacket (7), the cross-sectional width of upper water sleeve (6) circumferencial direction is equal, institute
The cross-sectional width stated at left and right sides of lower water jacket (7) is equal with the cross-sectional width of upper water sleeve (6), lower water jacket (7) front and rear sides
Cross-sectional width be greater than upper water sleeve (6) cross-sectional width.
2. a kind of body cooling water jacket structure of multicylinder engine according to claim 1, which is characterized in that the machine
Body cooling jacket further includes water inlet (8), the first water outlet (9) and the second water outlet (10), the water inlet (8) and laterally
Water channel (1) connection, the corresponding cylinder sleeve water channel (3) of each cylinder sleeve (4) by a longitudinal water channel (2) and cross channel (1) even
It is logical, and each cylinder sleeve water channel (3) correspondence is connected to first water outlet (9), the second water outlet (10).
3. a kind of body cooling water jacket structure of multicylinder engine according to claim 2, which is characterized in that described is vertical
It is connected to water channel (2) with the front side of lower water jacket (7), and is equipped with connection between two lower water jackets (7) of the water inlet (8)
Water channel (11).
4. a kind of body cooling water jacket structure of multicylinder engine according to claim 2, which is characterized in that described
One water outlet (9), the second water outlet (10) are connected to the front and rear sides of upper water sleeve (6) respectively, and first water outlet (9)
Circulation area is greater than the circulation area of the second water outlet (10).
5. a kind of body cooling water jacket structure of multicylinder engine, feature described in any one of -4 according to claim 1
Be, the cross-sectional width of the upper water sleeve (6) is 3mm~4mm, the cross-sectional width of lower water jacket (7) front and rear sides be 8mm~
10mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910584888.0A CN110159446B (en) | 2019-07-01 | 2019-07-01 | Engine body cooling water jacket structure of multi-cylinder engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910584888.0A CN110159446B (en) | 2019-07-01 | 2019-07-01 | Engine body cooling water jacket structure of multi-cylinder engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110159446A true CN110159446A (en) | 2019-08-23 |
| CN110159446B CN110159446B (en) | 2024-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910584888.0A Active CN110159446B (en) | 2019-07-01 | 2019-07-01 | Engine body cooling water jacket structure of multi-cylinder engine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953083A (en) * | 2019-11-29 | 2020-04-03 | 一汽解放汽车有限公司 | Engine direct-current cooling water flow control device and control method |
| CN111456863A (en) * | 2020-05-18 | 2020-07-28 | 安徽华菱汽车有限公司 | Cylinder sleeve cooling device capable of achieving accurate flow distribution |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110953083A (en) * | 2019-11-29 | 2020-04-03 | 一汽解放汽车有限公司 | Engine direct-current cooling water flow control device and control method |
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| CN111456863B (en) * | 2020-05-18 | 2024-05-07 | 安徽华菱汽车有限公司 | Cylinder sleeve cooling device capable of accurately shunting |
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|---|---|
| CN110159446B (en) | 2024-03-12 |
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